Identification_Information: Citation: Citation_Information: Originator: Rowland W. Tabor Originator: Peter J. Haeussler Originator: Ralph A. Haugerud Originator: Ray Wells Publication_Date: 2011 Title: Lidar-revised geologic map of the Uncas 7.5' quadrangle Clallam and Jefferson Counties, Washington Geospatial_Data_Presentation_Form: vector digital data Online_Linkage: http://pubs.usgs.gov/sim/3160 Description: Abstract: This digital map database has been prepared for the Lidar-revised geologic map of the Uncas 7.5' quadrangle Clallam and Jefferson Counties, Washington. Together with the accompanying text files as PDF, it provides information on the geologic structure and stratigraphy of the area covered. The database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U.S. Geological Survey. This map combines geologic interpretation by Haugerud and Tabor of the 6-ft (2 meter) lidar-derived digital elevation model (DEM) with the geology depicted on OF99-21, Preliminary Geologic Map of the Uncas 7.5' Quadrangle, Clallam and Jefferson Counties, Washington by Peter J. Haeussler, Jim Yount, and Ray Wells. The spatial resolution (scale) of the database is 1:24,000 or smaller. The Uncas quadrangle lies in the forearc of the Cascadia subduction zone, 10 km east of the Cascadia accretionary complex exposed in the core of the Olympic Mountains. Underthrusting of the accretionary complex beneath the forearc has uplifted and tilted to the east the Coast Range basalt basement and overlying marginal basin strata. The basalt and overlying Tertiary sedimentary rocks along with unconsolidated sands, gravels, and glacial till produced by the incursion of the Pleistocene Pugtet lobe of the Canadian ice sheet and its retreat comprise most of the rocks and deposits of the Uncas quadrangle. Purpose: This database and accompanying plot files depict the distribution of geologic materials and structures at 1:24,000 scale. The report is intended to provide geologic information for the study of materials properties, earthquake shaking, landslide potential, mineral hazards, seismic velocity, and earthquake faults. In addition, the report contains new information and interpretations about the regional geologic history and framework. However, the scale of this report does not provide sufficient detail for site development purposes. Supplemental_Information: DIGITAL COMPILATION: Interpretation of the lidar DEM began with a geomorphic interpretation following the protocol outlined by Haugerud (2009). We did no additional field work to make this map. Contacts of post-glacial deposits and most glacial deposits are interpreted from the lidar DEM. The digital compilation was done in version 9.3 of ARC/INFO Work Station. BASE MAP: In 2000 and 2001, the Puget Sound Lidar Consortium obtained 1 pulse/m2 lidar data for about 65% of the Uncas 7.5 minute quadrangle, which underlies the the 6-ft (2 meter) lidar-derived digital elevation model (DEM) serving as a base for this map. Tabor and Haugerud digitized drainage and road nets from the lidar DEM SPATIAL RESOLUTION- Uses of this digital geologic map should not violate the spatial resolution of the data. Although the digital form of the data removes the constraint imposed by the scale of a paper map, the detail and accuracy inherent in map scale are also present in the digital data. The fact that this database was edited for a scale of 1:24,000 means that higher resolution information is not present in the dataset. Plotting at scales larger than 1:24,000 will not yield greater real detail, although it may reveal fine- scale irregularities below the intended resolution of the database. Similarly, where this database is used in combination with other data of higher resolution, the resolution of the combined output will be limited by the lower resolution of these data. Time_Period_of_Content: Time_Period_Information: Single_Date/Time: Calendar_Date: 2011 Currentness_Reference: 2011 Status: Progress: Complete Maintenance_and_Update_Frequency: as needed Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -123.006522 East_Bounding_Coordinate: -122.871349 North_Bounding_Coordinate: 48.002109 South_Bounding_Coordinate: 47.872515 Keywords: Theme: Theme_Keyword_Thesaurus: none Theme_Keyword: advance outwash Theme_Keyword: Aldwell Formation Theme_Keyword: alluvial fan Theme_Keyword: alluvial terrace Theme_Keyword: bedrock Theme_Keyword: Bon Jon Pass fault Theme_Keyword: Crescent Formation Theme_Keyword: Eocene rocks Theme_Keyword: faults Theme_Keyword: geology Theme_Keyword: glaciomarine deposits Theme_Keyword: glaciomarine shoreline Theme_Keyword: Lake Bretz outlet Theme_Keyword: landslides Theme_Keyword: Leland Creek spillway Theme_Keyword: Lyre Formation Theme_Keyword: post-Vashon fault Theme_Keyword: recessional outwash Theme_Keyword: Sandstone of Snow Creek Theme_Keyword: surficial geology Theme_Keyword: till Theme_Keyword: Vashon Stade Place: Place_Keyword_Thesaurus: None Place_Keyword: Big Skidder Hill Place_Keyword: Chimacum valley Place_Keyword: Clallam County Place_Keyword: Crocker Lake Place_Keyword: Jefferson county Place_Keyword: Leland Creek Place_Keyword: Leland Lake Place_Keyword: Little Quilcene River Place_Keyword: Mount Zion Place_Keyword: Olympic Mountains Place_Keyword: Olympic National Forest Place_Keyword: Olympic Peninsula Place_Keyword: Port Discovery Place_Keyword: Salmon Creek Place_Keyword: Snow Creek Place_Keyword: Washington Access_Constraints: None Use_Constraints: Use at your own risk Native_Data_Set_Environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850 Data_Quality_Information: Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Use of lidar source materials dictates that locational accuracy is no better than about +/-30 feet. See Haugerud (2009) for discussion of lidar positional accuracy. Because the lidar base does not match exactly the 1953 1:24,000-scale topographic map of the Uncas Quadrangle, positional accuracy of contacts adapted directly from OFR 99-421 is even less. Completeness_Report: Complete Lineage: Process_Step: Process_Description: Using hillshade models constructed from lidar imagery, and the general position of geologic contacts, structural data, and the original field notes, Rowland Tabor and Ralph Haugerud reconstructed the geologic map of the Uncas Quadrangle. Process_Date: 2008-2010 Entity_and_Attribute_Information: Overview_Description: Entity_and_Attribute_Overview: The digital database package contains 5 vector datasets (ESRI ArcInfo coverages) presented in .e00-file format. Each coverage contains formal XML-format metadata with complete entity-and-attribute information, including extensive definitions of feature-attribute values. Also included are a brief readme file and a large (176 MB) image in TIFF format that combines geologic map-unit colors with a hillshade-relief image of topography derived from LIDAR. Users of the database package may wish to download the pamphlet for the contained Description of Map Units. Entity_and_Attribute_Detail_Citation: none Detailed_Description: Entity_Type: Entity_Type_Label: uncasgeol.e00 Entity_Type_Definition: ArcInfo export file of network coverage of the geology of the Uncas Quadangle, WA, at 1:24,000 scale. 2150 arcs, 676 polygons. Includes metadata xlm file for cover. Located in geology directory. Entity_Type_Definition_Source: author Detailed_Description: Entity_Type: Entity_Type_Label: uncastruct.e00 Entity_Type_Definition: ArcInfo export file of point coverage of the stuctural data of the Uncas Quadangle, WA, at 1:24,000 scale. 184 points and 184 dip annotations. Includes metadata xlm file for cover. Located in geology directory. Entity_Type_Definition_Source: author Detailed_Description: Entity_Type: Entity_Type_Label: uncasfa-xs.e00 Entity_Type_Definition: ArcInfo export file of network coverage of the cross-section line A-A'-A", major fold traces, and point locations of fold symbols of the Uncas Quadangle, at 1:24,000 scale. 18 arcs and 4 points. Includes metadata for cover. Located in geology directory. Entity_Type_Definition_Source: author Detailed_Description: Entity_Type: Entity_Type_Label: uncasdrain.e00 Entity_Type_Definition: ArcInfo export file of drainage. 52 arcs at 1:24,000 scale. Includes metadata for the cover. Located in base directory. Entity_Type_Definition_Source: author Detailed_Description: Entity_Type: Entity_Type_Label: uncasroads.e00 Entity_Type_Definition: ArcInfo export file of road network and county boundaries. 167 arcs at 1:24,000 scale. Includes metadata for the cover. Located in base directory. Entity_Type_Definition_Source: author Distribution_Information: Distributor: U.S. Geological Survey Resource_Description: Downloadable Data Distribution_Liability: None. Use these data at your own risk Standard_Order_Process: Digital_Form: Digital_Transfer_Information: Format_Name: ARCE Transfer_Size: 178.4 MB Digital_Transfer_Option: Online_Option: Computer_Contact_Information: Network_Address: Network_Resource_Name: http://pubs.usgs.gov/sim/3160 Fees: None Metadata_Reference_Information: Metadata_Date: 2011 Metadata_Contact: Contact_Information: Contact_Person_Primary: Contact_Person: Rowland Tabor Contact_Address: Address_Type: mailing address Address: U.S. Geological Survey Address: 345 Middlefield Road Address: MS 973 City: Menlo Park State_or_Province: California Postal_Code: 94025 Country: USA Contact_Voice_Telephone: 650 329 4955 Contact_Electronic_Mail_Address: rtabor@usgs.gov Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: FGDC-STD-001-1998 Metadata_Time_Convention: local time Metadata_Extensions: Online_Linkage: http://www.esri.com/metadata/esriprof80.html Profile_Name: ESRI Metadata Profile