Identification_Information: Citation: Citation_Information: Originator: Suzanne W. Nicholson Originator: Connie L. Dicken Originator: Michael P. Foose Originator: Julia A.L. Mueller Publication_Date: 2004 Title: The Upper Midwest States: Minnesota, Wisconsin, Michigan, Illinois and Indiana - The State of Michigan Edition: version 1.0 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 2004-1355 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/2004/1355/ Larger_Work_Citation: Citation_Information: Originator: Suzanne W. Nicholson Originator: Connie L. Dicken Originator: Michael P. Foose Originator: Julia A.L. Mueller Publication_Date: 2004 Title: Integrated geologic map databases for the United States: The Upper Midwest States: Minnesota, Wisconsin, Michigan, Illinois and Indiana Edition: version 1.0 Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: 2004-1355 Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/2004/1355/ Description: Abstract: These metadata are specifically for the State of Michigan, one state in the national compilation of state geologic map databases. The digital geologic map data was prepared by the USGS. Subsequent editing of the spatial data by the USGS was limited to fitting a standardized state boundary to the data, standardizing the arc coding, reprojecting the data, and minor edits of arc or polygon attributes to conform with the paper map. This open-file report is one of several that present the preliminary results of the USGS Mineral Resources Program activity to compile a national-scale geologic map database to support national and regional level projects, including mineral resource and geoenvironmental assessments. The only comprehensive sources of regional- and national-scale geologic maps are state geologic maps with scales ranging from 1:100,000 to 1:1,000,000. Digital versions of these state maps form the core of what is presented here. Because no adequate geologic map exists for the state of Alaska, it is being compiled in regional blocks that also form part of this national database. It is expected that this series will completed by approximately the end of 2007. These maps and databases are being released in blocks of states or, in the case of Alaska, as compiled blocks of 1:250,000-scale quadrangles as chapters in this series. For Alaska, formal maps as well as databases are being published here, whereas for the conterminous U.S. only state databases and preview graphics are presented, because published maps for most states already exist. For Alaska these regional compilations will form the base for compiling a new geologic map of the state. As documented in CONUSdocumentationMW.pdf, standards for the conterminous U.S. are somewhat different than those for Alaska and Hawaii. Purpose: A primary goal of this work is to develop geologic map datasets with standardized structure and attribution. The database design and standards are documented in CONUSdocumentationMW.pdf of this series. The intent is that contiguous databases can be merged seamlessly and without any additional effort. In addition to a common database structure, the conterminous U.S. state databases (the contiguous 48 states) have been fitted to a set of standard state boundaries so that, when states are merged, they match without slivers or overlap. No attempt has been made to reconcile differences in mapping across state boundaries. Supplemental_Information: This database consists of five major Arc/Info GIS datasets for each state; - one: geologic map with formations, - two: faults (where present), - three: dikes (where present), - four: miscellaneous line features (where present), - five: miscellaneous point features (where present). Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2004 Currentness_Reference: publication date Status: Progress: Complete Maintenance_and_Update_Frequency: None planned. Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -91.054582 East_Bounding_Coordinate: -81.020915 North_Bounding_Coordinate: 48.435645 South_Bounding_Coordinate: 41.205085 Keywords: Theme: Theme_Keyword_Thesaurus: none Theme_Keyword: geology Place: Place_Keyword_Thesaurus: none Place_Keyword: USA Place_Keyword: Michigan Theme: Theme_Keyword_Thesaurus: National Geologic Map Database Catalog themes, augmented Theme_Keyword: 3100 - Vector Theme_Keyword: 3110 - ESRI Theme_Keyword: 3112 - export Theme_Keyword: 1100 - Geology Theme_Keyword: 1101 - General Place: Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4, version 1.0 Place_Keyword: US26 = Michigan Access_Constraints: none Use_Constraints: This database is not meant to be used or displayed at any scale other than 1:500,000. Any hardcopies utilizing these data sets shall clearly indicate their source. If the licensee has modified the data in any way they are obligated to describe the types of modifications they have performed on the hardcopy map. Licensee specifically agrees not to misrepresent these data sets, nor to imply that changes they made were approved by the U.S. Geological Survey. Point_of_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Suzanne W. Nicholson Contact_Organization: U.S. Geological Survey Contact_Address: Address_Type: mailing and physical address Address: 12201 Sunrise Valley Dr. MS954 City: Reston State_or_Province: VA Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 703-648-6344 Contact_Electronic_Mail_Address: swnich@usgs.gov Data_Set_Credit: State Geologic Map Compilation (SGMC) activity of the National Surveys and Analysis projects of the US Geological Survey Mineral Resources Program. Native_Data_Set_Environment: ARC/INFO version 8.3 ArcView 3.2 Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: The values of the attributes ROCKTYPE1 and ROCKTYPE2 were assigned based on the information in the legends of the source maps (most of which are paper). The definitions of these values are described in the draft document Geologic Map Classification version 6.1 (Johnson and others); available at the following website: http://geology.usgs.gov/dm Logical_Consistency_Report: All internal polygons were checked for closure with vendor software and on hard copy plots. Overshoots and undershoots have been deleted or corrected as appropriate. Completeness_Report: Bodies of water are classified as water, and the geologic units underlying them are not included in this coverage. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Accuracy of Michigan state boundary and those arcs intersecting it: The accuracy of the state boundary arcs is based on the 1:100,000 scale original data used to produce this boundary. (Johnson, Bruce R. and Leveritch, Beth, 1998, 1:100,000 Scale State Boundaries of the Conterminous United States: U.S. Geological Survey, unpublished (see metadata file: st100kmeta.txt, CONUSdocumentationMW.pdf)). Those internal arcs intersecting the state boundary were extended or shortened as needed to complete polygons, possibly creating a small amount of error. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Michigan Geological Survey Division Originator: Milstein, Randall L. (compiler) Publication_Date: 1987 Title: Bedrock geology of southern Michigan Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: none Issue_Identification: none Publication_Information: Publication_Place: Lansing, Michigan Publisher: State of Michigan, Department of Natural Resources, Geological Survey Online_Linkage: none Source_Scale_Denominator: 500,000 Type_of_Source_Media: Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: Source_Currentness_Reference: Source_Citation_Abbreviation: MI001 Source_Contribution: provided linework for the geology coverage. Source_Information: Source_Citation: Citation_Information: Originator: Michigan Geological Survey Division Originator: Reed, Robert C. (compiler) Originator: Daniels, Jennifer (compiler) Publication_Date: 1987 Title: Bedrock geology of northern Michigan Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: none Issue_Identification: none Publication_Information: Publication_Place: Lansing, Michigan Publisher: State of Michigan, Department of Natural Resources, Geological Survey Online_Linkage: none Source_Scale_Denominator: 500,000 Type_of_Source_Media: paper map Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1987 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: MI002 Source_Contribution: provided linework for the geology coverage. Source_Information: Source_Citation: Citation_Information: Originator: Sims, P.K. Publication_Date: 1992 Title: Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan Geospatial_Data_Presentation_Form: map Series_Information: Series_Name: U.S. Geological Survey Miscellaneous Investigation Map Issue_Identification: I-2185 Publication_Information: Publication_Place: Reston, Virginia Publisher: U.S. Geological Survey Online_Linkage: none Source_Scale_Denominator: 500,000 Type_of_Source_Media: paper map Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1992 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: MI003 Source_Contribution: provided unit descriptions where available. Source_Information: Source_Citation: Citation_Information: Originator: Cannon, W.F. Originator: Kress. T.H. Originator: Sutphin, D.M. Originator: Morey, G.B. Originator: Meints, Joyce Originator: Barber-Delach, Robert Publication_Date: 1997 Title: Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan Geospatial_Data_Presentation_Form: digital map Series_Information: Series_Name: U.S. Geological Survey Open-File Report Issue_Identification: OFR 97-455 Publication_Information: Publication_Place: Reston, Virginia Publisher: U.S. Geological Survey Online_Linkage: http://pubs.usgs.gov/of/of97-455/ Source_Scale_Denominator: 500,000 Type_of_Source_Media: digital map Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 1999 Source_Currentness_Reference: publication date Source_Citation_Abbreviation: MI004 Source_Contribution: provided unit descriptions where available. Source_Information: Source_Citation: Citation_Information: Originator: Bruce R. Johnson Originator: Beth Leveritch Publication_Date: unpublihsed material Title: 1:100,000 Scale State Boundaries of the Conterminous United States Geospatial_Data_Presentation_Form: vector digital data Source_Scale_Denominator: 100,000 Type_of_Source_Media: online Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 199808 Source_Currentness_Reference: unknown Source_Citation_Abbreviation: US001 Source_Contribution: Provided linework for state boundaries Source_Information: Source_Citation: Citation_Information: Originator: Bruce R. Johnson Publication_Date: unpublished material Title: Geologic Map Unit Classification, ver. 6.1 Geospatial_Data_Presentation_Form: unknown Source_Scale_Denominator: none Type_of_Source_Media: online; http://geology.usgs.gov/dm Source_Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: unpublished Source_Currentness_Reference: unknown Source_Citation_Abbreviation: Johnson Lith Class 6.1 Source_Contribution: Classification scheme used for lithology. Process_Step: Process_Description: The purpose of this standardization is to allow all SGMC covers to be seamlessly joined without any additional effort to form regional or national level digital maps. Note that for Alaska, the state is being compiled as blocks of 1:250k quadrangles that will ultimately be used to compile a new state map. Douglas Stoeser and Ric Wilson are co-coordinators for the overall SGMC effort, with Stoeser coordinating work on the mainland states and Wilson coordinating work for Alaska and Hawaii. Process_Date: 2003 - 2004 Process_Step: Process_Description: C.L. Dicken obtained the digital geologic map of Michigan from the following website: http://pubs.usgs.gov/of/of97-455/ Dicken extracted the linework for the Michigan piece of the dataset and re-projected the coverage into the following: projection: Lambert Conformal Conic units: meters datum: NAD27 standard parallel 1: 33 0 0.000 standard parallel 2: 45 0 0.000 central meridian: -100 0 0.000 reference latitude: 0 0 0.000 false easting: 0.00000 false northing: 0.00000 All attributes were deleted except symbol. (Note: Attributes associated with the generation of the coverages were not deleted. PAT - shape, area, perimeter, coverage#, and coverage-id AAT - shape, fnode#, tnode#, lnode#, rnode#, length, coverage#, and coverage-id) The values from symbol where then calculated into a new field called orig_label. Process_Date: 20040401 Process_Step: Process_Description: The relevant state outline (arcs) was removed from the coverage and replaced with the arcs from the 1:100,000 Scale State Boundaries of the Conterminous United States. This allows for a seamless fit of each state to a standard state boundary base. Process_Date: 20040405 Process_Step: Process_Description: The following attributes were exported from Filemaker as a .dbf: orig_label, map_symbol2, unit_link, reference_id, unit_age, rocktype1, and rocktype2. orig_label reflects the original map symbol used on the source map map_symbol2 reflects map-symbol1 with the addition of a province number unit_link is an auto generated field based on map-symbol2 and the state abbreviation (e.g. IN001) that produces a unique identifier for each map unit reference_id was populated with an alphanumeric code (e.g. US001) that designates the source used for the linework and other references used to describe the age or lithologies of the unit. unit_age was populated with general age assignment rocktype1 records dominant lithology (must be >50% of unit), using standardized data dictionary rocktype2 records second most dominant lithology, using standardized data dictionary orig_label has the following field names from the source map: bed-geo in Illinois map_code in Indiana symbol in Michigan symbol in Wisconsin map_label in Minnesota The attributes were then converted using the following structure: item name: orig_label width: 12 output: 12 type: c item name: sgmc_label width: 16 output: 16 type: c item name: unit_link width: 18 output: 18 type: c item name: source width: 6 output: 8 type: c item name: unit_age width: 60 output: 60 type: c item name: rocktype1 width: 40 output: 40 type: c item name: rocktype2 width: 40 output: 40 type: c Process_Date: 20040406 Process_Step: Process_Description: Once the .dbf was in the correct format with standardized column widths and data structure, it was converted into a lookup table (.lut) in Arc/Info. Then a joinitem was performed to join the look-up table to the polygon attribute table. orig_label was used as the merge item. Process_Date: 20040406 Process_Step: Process_Description: Next, in preparing the uniform .aat file, the following items were added to the table: item name: arc-code width: 3 output: 3 type: i item name: arc-para1 width: 3 output: 3 type: i item name: arc-para2 width: 3 output: 3 type: i item name: source width: 6 output: 8 type: c Process_Date: 20040406 Process_Step: Process_Description: Arc-code was populated using the paper map source to tag the lines using the AAT line type data dictionary (see CONUSdocumentationMW.pdf). Arc-para1 was populated when additional information was available such as identifying the upthrown side of a fault or direction of thrusting on a fault. (see CONUSdocumentationMW.pdf) Arc-para2 is a scratch field that is used mostly in Alaska. Source was populated with an alphanumeric code (e.g. US001) that designates the source used for the linework. Process_Date: 20040406 Process_Step: Process_Description: Once the .aat and the .pat were populated with the correct attributes, the coverage was exported as an .e00 file (migeol_lcc.e00). Then it was unprojected into geographic coordinates and exported again (migeol_dd.e00). Process_Date: 20040423 Process_Step: Process_Description: The faults were extracted to generate a separate fault file. PUT was the command used to copy the line features from the geology line coverage into a new fault line coverage. The data were exported as an .e00 file (mifaults_lcc.e00) and then unprojected into geographic coordinates and exported again (mifaults_dd.e00). Process_Date: 20040504 Process_Step: Process_Description: Finally, the geology lines, geology polygons and fault line coverages were converted into shapefiles; in both geographic coordinates and in Lambert Conformal Conic projection. Process_Date: 20040504 Spatial_Data_Organization_Information: Direct_Spatial_Reference_Method: Vector Spatial_Reference_Information: Horizontal_Coordinate_System_Definition: Planar: Map_Projection: Map_Projection_Name: Lambert Conformal Conic Lambert_Conformal_Conic: Standard_Parallel: 33 Standard_Parallel: 45 Longitude_of_Central_Meridian: -100.0 Latitude_of_Projection_Origin: 0 False_Easting: 0.00000 False_Northing: 0.00000 Planar_Coordinate_Information: Planar_Coordinate_Encoding_Method: coordinate pair Coordinate_Representation: Abscissa_Resolution: 0.01 Ordinate_Resolution: 0.01 Planar_Distance_Units: Meters Geodetic_Model: Horizontal_Datum_Name: North American Datum of 1927 Ellipsoid_Name: Clarke 1866 Semi-major_Axis: 6378206.4 Denominator_of_Flattening_Ratio: 294.98 Entity_and_Attribute_Information: Detailed_Description: Entity_Type: Entity_Type_Label: mi_geol.pat Entity_Type_Definition: Polygon attribute table for the Michigan geologic coverage. Entity_Type_Definition_Source: ESRI Attribute: Attribute_Label: orig_label Attribute_Definition: unmodified map unit symbol from source cover. type: character width: 12 output width: 12 Attribute_Definition_Source: Doug Stoeser Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Agn Enumerated_Domain_Value_Definition: Migmatitic gneiss and amphibolite (Late to Early Archean) Enumerated_Domain: Enumerated_Domain_Value: Cm Enumerated_Domain_Value_Definition: Munising Formation Enumerated_Domain: Enumerated_Domain_Value: Ct Enumerated_Domain_Value_Definition: Trempealeau Formation Enumerated_Domain: Enumerated_Domain_Value: DMs Enumerated_Domain_Value_Definition: Sunbury Shale Enumerated_Domain: Enumerated_Domain_Value: Da Enumerated_Domain_Value_Definition: Antrim Shale Enumerated_Domain: Enumerated_Domain_Value: Db Enumerated_Domain_Value_Definition: Berea Sandstone Enumerated_Domain: Enumerated_Domain_Value: Dbb Enumerated_Domain_Value_Definition: Bois Blanc Formation Enumerated_Domain: Enumerated_Domain_Value: Dbd Enumerated_Domain_Value_Definition: Bedford Shale Enumerated_Domain: Enumerated_Domain_Value: Dbe Enumerated_Domain_Value_Definition: Bell Shale Enumerated_Domain: Enumerated_Domain_Value: Dd Enumerated_Domain_Value_Definition: Dundee Limestone Enumerated_Domain: Enumerated_Domain_Value: Ddr Enumerated_Domain_Value_Definition: Detroit River Group Enumerated_Domain: Enumerated_Domain_Value: De Enumerated_Domain_Value_Definition: Ellsworth Shale Enumerated_Domain: Enumerated_Domain_Value: Dg Enumerated_Domain_Value_Definition: Garden Island Formation Enumerated_Domain: Enumerated_Domain_Value: Dm Enumerated_Domain_Value_Definition: Mackinac Breccia Enumerated_Domain: Enumerated_Domain_Value: Ds Enumerated_Domain_Value_Definition: Sylvania Sandstone Enumerated_Domain: Enumerated_Domain_Value: Dt Enumerated_Domain_Value_Definition: Traverse Group Enumerated_Domain: Enumerated_Domain_Value: Jr Enumerated_Domain_Value_Definition: Red beds Enumerated_Domain: Enumerated_Domain_Value: Mb Enumerated_Domain_Value_Definition: Bayport Limestone Enumerated_Domain: Enumerated_Domain_Value: Mc Enumerated_Domain_Value_Definition: Coldwater Shale Enumerated_Domain: Enumerated_Domain_Value: Mm Enumerated_Domain_Value_Definition: Marshall Sandstone Enumerated_Domain: Enumerated_Domain_Value: Mmi Enumerated_Domain_Value_Definition: Michigan Formation Enumerated_Domain: Enumerated_Domain_Value: Ob Enumerated_Domain_Value_Definition: Big Hill Dolomite Enumerated_Domain: Enumerated_Domain_Value: Obr Enumerated_Domain_Value_Definition: Black River Limestone Enumerated_Domain: Enumerated_Domain_Value: Oc Enumerated_Domain_Value_Definition: Collingwood Limestone Enumerated_Domain: Enumerated_Domain_Value: Op Enumerated_Domain_Value_Definition: Prairie du Chien Group Enumerated_Domain: Enumerated_Domain_Value: Oq Enumerated_Domain_Value_Definition: Queenston Shale Enumerated_Domain: Enumerated_Domain_Value: Os Enumerated_Domain_Value_Definition: Stonington Formation Enumerated_Domain: Enumerated_Domain_Value: Ot Enumerated_Domain_Value_Definition: Trenton Limestone Enumerated_Domain: Enumerated_Domain_Value: Ou Enumerated_Domain_Value_Definition: Utica Shale Enumerated_Domain: Enumerated_Domain_Value: Pg Enumerated_Domain_Value_Definition: Grand River Formation Enumerated_Domain: Enumerated_Domain_Value: Ps Enumerated_Domain_Value_Definition: Saginaw Formation Enumerated_Domain: Enumerated_Domain_Value: Pu Enumerated_Domain_Value_Definition: Paleozoic undivided Enumerated_Domain: Enumerated_Domain_Value: Sb Enumerated_Domain_Value_Definition: Bass Island Dolomite Enumerated_Domain: Enumerated_Domain_Value: Sbb Enumerated_Domain_Value_Definition: Burnt Bluff Formation Enumerated_Domain: Enumerated_Domain_Value: Sc Enumerated_Domain_Value_Definition: Cataract Formation Enumerated_Domain: Enumerated_Domain_Value: Se Enumerated_Domain_Value_Definition: Engadine Dolomite Enumerated_Domain: Enumerated_Domain_Value: Sm Enumerated_Domain_Value_Definition: Manistique Formation Enumerated_Domain: Enumerated_Domain_Value: Sp Enumerated_Domain_Value_Definition: Point Aux Chenes Shale Enumerated_Domain: Enumerated_Domain_Value: Ss Enumerated_Domain_Value_Definition: Salina Group Enumerated_Domain: Enumerated_Domain_Value: Sst Enumerated_Domain_Value_Definition: Sainte Ignace Dolomite Enumerated_Domain: Enumerated_Domain_Value: Wd Enumerated_Domain_Value_Definition: Dickinson Group, undivided (Late Archean) Enumerated_Domain: Enumerated_Domain_Value: Wga Enumerated_Domain_Value_Definition: Gneiss and amphibolite (Late Archean, 2.640-2.750 Ma) Enumerated_Domain: Enumerated_Domain_Value: Wgw Enumerated_Domain_Value_Definition: Metagraywacke (Late Archean) Enumerated_Domain: Enumerated_Domain_Value: Wp Enumerated_Domain_Value_Definition: Puritan Quartz Monzonite (Late Archean) Enumerated_Domain: Enumerated_Domain_Value: Ws Enumerated_Domain_Value_Definition: Biotite schist (Lake Archean) Enumerated_Domain: Enumerated_Domain_Value: Wv Enumerated_Domain_Value_Definition: Metabasalt (Late Archean) Enumerated_Domain: Enumerated_Domain_Value: Xam Enumerated_Domain_Value_Definition: Unexposed magnetic unit Enumerated_Domain: Enumerated_Domain_Value: Xb Enumerated_Domain_Value_Definition: Badwater Greenstone Enumerated_Domain: Enumerated_Domain_Value: Xbc Enumerated_Domain_Value_Definition: Blair Creek Formation Enumerated_Domain: Enumerated_Domain_Value: Xc Enumerated_Domain_Value_Definition: Copps Formation Enumerated_Domain: Enumerated_Domain_Value: Xch Enumerated_Domain_Value_Definition: Chocolay Group, undivided Enumerated_Domain: Enumerated_Domain_Value: Xdvg Enumerated_Domain_Value_Definition: Dacite and volcanogenic graywacke Enumerated_Domain: Enumerated_Domain_Value: Xe Enumerated_Domain_Value_Definition: Emperor Volcanic Complex Enumerated_Domain: Enumerated_Domain_Value: Xgat Enumerated_Domain_Value_Definition: Athelstane Quartz Monzonite Enumerated_Domain: Enumerated_Domain_Value: Xgm Enumerated_Domain_Value_Definition: Granitic rocks Enumerated_Domain: Enumerated_Domain_Value: Xh Enumerated_Domain_Value_Definition: Hemlock Formation Enumerated_Domain: Enumerated_Domain_Value: Xi Enumerated_Domain_Value_Definition: Ironwood Iron-formation Enumerated_Domain: Enumerated_Domain_Value: Xm Enumerated_Domain_Value_Definition: Michigamme Formation, undivided Enumerated_Domain: Enumerated_Domain_Value: Xmd Enumerated_Domain_Value_Definition: metadiabase Enumerated_Domain: Enumerated_Domain_Value: Xmg Enumerated_Domain_Value_Definition: Metagabbro Enumerated_Domain: Enumerated_Domain_Value: Xmi Enumerated_Domain_Value_Definition: Mafic metavolcanic rocks Enumerated_Domain: Enumerated_Domain_Value: Xmmc Enumerated_Domain_Value_Definition: Menominee and Chocolay Groups, undivided Enumerated_Domain: Enumerated_Domain_Value: Xmn Enumerated_Domain_Value_Definition: Negaunee Iron-formation Enumerated_Domain: Enumerated_Domain_Value: Xms Enumerated_Domain_Value_Definition: Gray to black slate [of the Michigamme Formation] Enumerated_Domain: Enumerated_Domain_Value: Xmsa Enumerated_Domain_Value_Definition: Composite unit of Siamo Slate and Ajibik Quartzite [of the Menominee Group] Enumerated_Domain: Enumerated_Domain_Value: Xmu Enumerated_Domain_Value_Definition: Menominee Group, undivided Enumerated_Domain: Enumerated_Domain_Value: Xmvl Enumerated_Domain_Value_Definition: Mafic to intermediate flows and pyroclastic rocks [in Michigamme Formation] including Clarksburg Volcanics member Enumerated_Domain: Enumerated_Domain_Value: Xpi Enumerated_Domain_Value_Definition: Lower part of Paint River Group Enumerated_Domain: Enumerated_Domain_Value: Xpp Enumerated_Domain_Value_Definition: Peavy Pond complex Enumerated_Domain: Enumerated_Domain_Value: Xpu Enumerated_Domain_Value_Definition: Upper part of Paint River Group Enumerated_Domain: Enumerated_Domain_Value: Xrhd Enumerated_Domain_Value_Definition: Rhyolite to dacite Enumerated_Domain: Enumerated_Domain_Value: Xt Enumerated_Domain_Value_Definition: Tyler Formation Enumerated_Domain: Enumerated_Domain_Value: Xvs Enumerated_Domain_Value_Definition: Volcanic-sedimentary unit [in the Baraga Group] Enumerated_Domain: Enumerated_Domain_Value: Yc Enumerated_Domain_Value_Definition: Copper Harbor Conglomerate Enumerated_Domain: Enumerated_Domain_Value: Ycl Enumerated_Domain_Value_Definition: Volcanic member of the Copper Harbor Conglomerate Enumerated_Domain: Enumerated_Domain_Value: Yf Enumerated_Domain_Value_Definition: Freda Sandstone Enumerated_Domain: Enumerated_Domain_Value: Yfc Enumerated_Domain_Value_Definition: Conglomerate member of Freda Sandstone Enumerated_Domain: Enumerated_Domain_Value: Ygb Enumerated_Domain_Value_Definition: Gabbroic rocks of Keweenawan affinity Enumerated_Domain: Enumerated_Domain_Value: Ygr Enumerated_Domain_Value_Definition: Granite associated with the Mellen complex Enumerated_Domain: Enumerated_Domain_Value: Yj Enumerated_Domain_Value_Definition: Jacobsville Sandstone Enumerated_Domain: Enumerated_Domain_Value: Yk Enumerated_Domain_Value_Definition: Kallander Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: Ykr Enumerated_Domain_Value_Definition: Upper rhyolite member of the Kallander Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: Yn Enumerated_Domain_Value_Definition: Nonesuch Shale Enumerated_Domain: Enumerated_Domain_Value: Yplr Enumerated_Domain_Value_Definition: Rhyolite at Bergland in the Portage Lake Volcanics Enumerated_Domain: Enumerated_Domain_Value: Yplv Enumerated_Domain_Value_Definition: Portage Lake Volcanics Enumerated_Domain: Enumerated_Domain_Value: Ypr Enumerated_Domain_Value_Definition: Rhyolite of the Porcupine Volcanics Enumerated_Domain: Enumerated_Domain_Value: Ypv Enumerated_Domain_Value_Definition: Porcupine Volcanics Enumerated_Domain: Enumerated_Domain_Value: Ys Enumerated_Domain_Value_Definition: Siemens Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: water Enumerated_Domain_Value_Definition: water Attribute: Attribute_Label: sgmc_label Attribute_Definition: orig_label + ;n where n= province number (n=0 if no province number) type: character width: 16 output width: 16 Attribute_Definition_Source: Doug Stoeser Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Agn;0 Enumerated_Domain_Value_Definition: Migmatitic gneiss and amphibolite (Late to Early Archean) Enumerated_Domain: Enumerated_Domain_Value: CAm;0 Enumerated_Domain_Value_Definition: Munising Formation Enumerated_Domain: Enumerated_Domain_Value: CAt;0 Enumerated_Domain_Value_Definition: Trempealeau Formation Enumerated_Domain: Enumerated_Domain_Value: DMs;0 Enumerated_Domain_Value_Definition: Sunbury Shale Enumerated_Domain: Enumerated_Domain_Value: Da;0 Enumerated_Domain_Value_Definition: Antrim Shale Enumerated_Domain: Enumerated_Domain_Value: Db;0 Enumerated_Domain_Value_Definition: Berea Sandstone Enumerated_Domain: 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undivided Enumerated_Domain: Enumerated_Domain_Value: MIXmd;0 Enumerated_Domain_Value_Definition: metadiabase Enumerated_Domain: Enumerated_Domain_Value: MIXmg;0 Enumerated_Domain_Value_Definition: Metagabbro Enumerated_Domain: Enumerated_Domain_Value: MIXmi;0 Enumerated_Domain_Value_Definition: Mafic metavolcanic rocks Enumerated_Domain: Enumerated_Domain_Value: MIXmmc;0 Enumerated_Domain_Value_Definition: Menominee and Chocolay Groups, undivided Enumerated_Domain: Enumerated_Domain_Value: MIXmn;0 Enumerated_Domain_Value_Definition: Negaunee Iron-formation Enumerated_Domain: Enumerated_Domain_Value: MIXms;0 Enumerated_Domain_Value_Definition: Gray to black slate [of the Michigamme Formation] Enumerated_Domain: Enumerated_Domain_Value: MIXmsa;0 Enumerated_Domain_Value_Definition: Composite unit of Siamo Slate and Ajibik Quartzite [of the Menominee Group] Enumerated_Domain: Enumerated_Domain_Value: MIXmu;0 Enumerated_Domain_Value_Definition: Menominee Group, undivided Enumerated_Domain: 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Enumerated_Domain: Enumerated_Domain_Value: MIYcl;0 Enumerated_Domain_Value_Definition: Volcanic member of the Copper Harbor Conglomerate Enumerated_Domain: Enumerated_Domain_Value: MIYf;0 Enumerated_Domain_Value_Definition: Freda Sandstone Enumerated_Domain: Enumerated_Domain_Value: MIYfc;0 Enumerated_Domain_Value_Definition: Conglomerate member of Freda Sandstone Enumerated_Domain: Enumerated_Domain_Value: MIYgb;0 Enumerated_Domain_Value_Definition: Gabbroic rocks of Keweenawan affinity Enumerated_Domain: Enumerated_Domain_Value: MIYgr;0 Enumerated_Domain_Value_Definition: Granite associated with the Mellen complex Enumerated_Domain: Enumerated_Domain_Value: MIYj;0 Enumerated_Domain_Value_Definition: Jacobsville Sandstone Enumerated_Domain: Enumerated_Domain_Value: MIYk;0 Enumerated_Domain_Value_Definition: Kallander Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYkr;0 Enumerated_Domain_Value_Definition: Upper rhyolite member of the Kallander Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYn;0 Enumerated_Domain_Value_Definition: Nonesuch Shale Enumerated_Domain: Enumerated_Domain_Value: MIYplr;0 Enumerated_Domain_Value_Definition: Rhyolite at Bergland in the Portage Lake Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYplv;0 Enumerated_Domain_Value_Definition: Portage Lake Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYpr;0 Enumerated_Domain_Value_Definition: Rhyolite of the Porcupine Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYpv;0 Enumerated_Domain_Value_Definition: Porcupine Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIYs;0 Enumerated_Domain_Value_Definition: Siemens Creek Volcanics Enumerated_Domain: Enumerated_Domain_Value: MIwater;0 Enumerated_Domain_Value_Definition: water Attribute: Attribute_Label: source Attribute_Definition: An alphanumeric code (e.g. US001) that designates the source material used. type: character width: 6 output width: 8 Attribute_Definition_Source: Doug Stoeser Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MI001 Enumerated_Domain_Value_Definition: Milstein, Randall L. (compiler), 1987, Bedrock geology of southern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MI002 Enumerated_Domain_Value_Definition: Reed, Robert C., and Daniels, Jennifer (compilers), 1987, Bedrock geology of northern Michigan: Geological Survey Division, Michigan Dept. of Natural Resources, scale= 1:500,000 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MI003 Enumerated_Domain_Value_Definition: Sims, P.K., 1992, Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan: U.S. Geological Survey Miscellaneous Investigations Map I-2185, scale= 1:500,000 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MI004 Enumerated_Domain_Value_Definition: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 1999), on-line only Attribute: Attribute_Label: unit_age Attribute_Definition: geologic age from the source map used. type: character width: 60 output width: 60 Attribute_Definition_Source: Doug Stoeser Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: Archean Enumerated_Domain_Value: Early Proterozoic Enumerated_Domain_Value: Jurassic Enumerated_Domain_Value: Late Archean Enumerated_Domain_Value: Lower Devonian Enumerated_Domain_Value: Lower Ordovician Enumerated_Domain_Value: Lower Silurian Enumerated_Domain_Value: Middle Devonian Enumerated_Domain_Value: Middle Proterozoic Enumerated_Domain_Value: Mississippian Enumerated_Domain_Value: Mississippian-Devonian Enumerated_Domain_Value: Paleozoic Enumerated_Domain_Value: Pennsylvanian Enumerated_Domain_Value: Upper Cambrian Enumerated_Domain_Value: Upper Devonian Enumerated_Domain_Value: Upper Ordovician Enumerated_Domain_Value: Upper Silurian Attribute: Attribute_Label: rocktype1 Attribute_Definition: The predominant lithology found in the formation. type: character width: 40 output width: 40 Attribute_Definition_Source: Johnson Lith Class 6.1 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: amphibolite Enumerated_Domain_Value: andesite Enumerated_Domain_Value: arkose Enumerated_Domain_Value: basalt Enumerated_Domain_Value: black shale Enumerated_Domain_Value: conglomerate Enumerated_Domain_Value: dacite Enumerated_Domain_Value: dolostone (dolomite) Enumerated_Domain_Value: evaporite Enumerated_Domain_Value: gabbro Enumerated_Domain_Value: gabbroid Enumerated_Domain_Value: gneiss Enumerated_Domain_Value: granite Enumerated_Domain_Value: graywacke Enumerated_Domain_Value: iron formation Enumerated_Domain_Value: limestone Enumerated_Domain_Value: mafic metavolcanic rock Enumerated_Domain_Value: meta-basalt Enumerated_Domain_Value: metamorphic rock Enumerated_Domain_Value: metasedimentary rock Enumerated_Domain_Value: metavolcanic rock Enumerated_Domain_Value: mica schist Enumerated_Domain_Value: quartzite Enumerated_Domain_Value: rhyolite Enumerated_Domain_Value: sandstone Enumerated_Domain_Value: shale Enumerated_Domain_Value: siltstone Enumerated_Domain_Value: slate Enumerated_Domain_Value: syenite Enumerated_Domain_Value: water Attribute: Attribute_Label: rocktype2 Attribute_Definition: The second most predominant lithology in the formation. type: character width: 40 output width: 40 Attribute_Definition_Source: Johnson Lith Class 6.1 Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: amphibolite Enumerated_Domain_Value: andesite Enumerated_Domain_Value: anorthosite Enumerated_Domain_Value: argillite Enumerated_Domain_Value: dacite Enumerated_Domain_Value: diabase Enumerated_Domain_Value: dolostone (dolomite) Enumerated_Domain_Value: gneiss Enumerated_Domain_Value: granite Enumerated_Domain_Value: granodiorite Enumerated_Domain_Value: iron formation Enumerated_Domain_Value: limestone Enumerated_Domain_Value: metasedimentary rock Enumerated_Domain_Value: metavolcanic rock Enumerated_Domain_Value: migmatite Enumerated_Domain_Value: plutonic rock (phaneritic) Enumerated_Domain_Value: pyroclastic Enumerated_Domain_Value: sandstone Enumerated_Domain_Value: schist Enumerated_Domain_Value: sedimentary breccia Enumerated_Domain_Value: shale Enumerated_Domain_Value: siltstone Enumerated_Domain_Value: slate Enumerated_Domain_Value: tuff Enumerated_Domain_Value: ultramafic intrusive rock Detailed_Description: Entity_Type: Entity_Type_Label: mi_geol.aat Entity_Type_Definition: Arc attribute table for Michigan geologic coverage. Entity_Type_Definition_Source: ESRI Attribute: Attribute_Label: arc-code Attribute_Definition: Unique identifier for the line feature type: integer width: 3 output width: 3 Attribute_Definition_Source: AAT data dictionary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 1 Enumerated_Domain_Value_Definition: contact, location certain Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 7 Enumerated_Domain_Value_Definition: shoreline or riverbank Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 30 Enumerated_Domain_Value_Definition: fault, sense of displacement unknown or undefined, location certain Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 51 Enumerated_Domain_Value_Definition: contact, concealed Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 101 Enumerated_Domain_Value_Definition: thrust fault, direction of motion undefined (i.e. teeth not shown), location certain Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 124 Enumerated_Domain_Value_Definition: state boundary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 125 Enumerated_Domain_Value_Definition: international boundary Attribute: Attribute_Label: arc-para1 Attribute_Definition: Used for "decorated" lines where additional information is needed. type: integer width: 3 output width: 3 Attribute_Definition_Source: AAT data dictionary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: no additional information Attribute: Attribute_Label: arc-para2 Attribute_Definition: "Scratch" field used mostly in Alaska. type: integer width: 3 output width: 3 Attribute_Definition_Source: AAT data dictionary Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: 0 Enumerated_Domain_Value_Definition: no additional information Attribute: Attribute_Label: source Attribute_Definition: An alphanumeric code (e.g. US001) that designates the source material used. type: character width: 6 output width: 8 Attribute_Definition_Source: Doug Stoeser Attribute_Domain_Values: Enumerated_Domain: Enumerated_Domain_Value: MI004 Enumerated_Domain_Value_Definition: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 1999), on-line only Enumerated_Domain: Enumerated_Domain_Value: US001 Enumerated_Domain_Value_Definition: Johnson, Bruce R. and Leveritch, Beth, 1998, 1:100,000 Scale State Boundaries of the Conterminous United States: U.S. Geological Survey, unpublished (see metadata file: st100kmeta.txt, CONUSdocumentationMW.pdf) Overview_Description: Entity_and_Attribute_Overview: Coding for polygon attributes: NAME: FEATURE: orig_label unmodified map unit symbols from source cover sgmc_label orig_label modified for standard geologic age symbols and an integer code added for province unit_link sgmc_label and a state code identifier source reference to source of data unit_age geologic age rocktype1 predominant lithology rocktype2 second most predominant lithology Coding for arc attributes: NAME: FEATURE: arc-code unique integer identifier arc-para1 used where additional information is needed arc-para2 scratch field source reference to source of data Coding for point attributes: NAME: FEATURE: point_feature name of feature on map source reference to source of data Coding for dikes (special arcs) attributes: NAME: FEATURE: orig_label unmodified map unit symbols from source cover sgmc_label orig_label modified for standard geologic age symbols and an integer code added for province arc-code unique integer identifier dike_lith general lithology dike_age geologic age source reference to source of data Entity_and_Attribute_Detail_Citation: ESRI Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Information Services Reston-ESIC Contact_Address: Address_Type: mailing and physical address Address: U.S. Geological Survey 507 National Center City: Reston State_or_Province: Virginia Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 1-888-ASK-USGS or 1-703-648-5953 Contact_Electronic_Mail_Address: http://www.usgs.gov/contact/ Distribution_Liability: Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the USGS. Although these data have been used by the USGS and have been successfully imported into data base programs, no warranty, expressed or implied, is made by the USGS as to how successfully or accurately the data can be imported into any specific application software running on any specific hardware platform. The fact of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in connection therewith. This data base GIS is not meant to be used or displayed at any scale other than 1:500,000. Resource_Description: USGS OFR 2004-1355 Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARC/INFO export Format_Version_Number: 8.3 Format_Information_Content: Geologic units and structural features File_Decompression_Technique: gzip and tar Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/of/2004/1355 Fees: none Metadata_Reference_Information: Metadata_Date: 20040518 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: U.S. Geological Survey Contact_Person: Connie L. Dicken Contact_Address: Address_Type: mailing and physical address Address: 12201 Sunrise Valley Dr. MS954 City: Reston State_or_Province: VA Postal_Code: 20192 Country: USA Contact_Voice_Telephone: 703-648-6482 Contact_Electronic_Mail_Address: cdicken@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata ("CSDGM version 2") Metadata_Standard_Version: FGDC-STD-001-1998