Identification_Information: Citation: Citation_Information: Originator: Scanlon, Kathryn M. Originator: Briere, Peter R. Publication_Date: 20000105 Title: Puerto Rico: Marine sediments, terrestrial and seafloor imagery, and tectonic interpretations Edition: U.S. Geological Survey Open-File Report 00-006 Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: U.S. Geological Survey Description: Abstract: The geologic setting of Puerto Rico has created or contributed to several pressing societal issues, related to human safety, environmental health and economic development. Because the island lies on an active plate boundary, earthquakes are a constant threat and the densely populated coastal areas are vulnerable to tsunamis. Coastal erosion is a concern in many coastal areas, but is particularly serious to an island economy which relies heavily on a thriving tourist industry. In Puerto Rico illegal mining of beach sands for use as aggregate has exacerbated coastal erosion and left coastal communities more exposed to the ravages of storms and tsunamis. The serious need for an affordable local source of aggregate to use in the growing construction industry on the island has created a strong interest in locating and evaluating offshore sand and gravel deposits. During the last 20 years the U. S. Geological Survey, often in cooperation with the Puerto Rico Department of Natural Resources and/or the University of Puerto Rico, has conducted a variety of projects to address the geologic aspects of these pressing societal issues. The papers and data presented here are the results of these projects. Some have been previously published elsewhere; others, such as the the database of surficial sediments of the Puerto Rico insular shelf and the interpretation of side-looking airborne radar imagery of the island, are presented here for the first time. Little of the data presented here was available previously in digital form. The purpose of this CD is to make the results of these diverse studies available in a readily accessible digital form, so that managers, planner and other researchers can utilize the results. Purpose: The purpose of this CD is to make the results of these diverse studies available in a readily accessible digital form, so that managers, planner and other researchers can utilize the results. Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 19890105 Ending_Date: 19991205 Currentness_Reference: Ground Condition Status: Progress: Complete Maintenance_and_Update_Frequency: Unknown Spatial_Domain: Bounding_Coordinates: West_Bounding_Coordinate: -068.000000 East_Bounding_Coordinate: -065.000000 North_Bounding_Coordinate: +16.0000 South_Bounding_Coordinate: +21.00 Keywords: Theme: Theme_Keyword_Thesaurus: None Theme_Keyword: Puerto Rico Theme_Keyword: Marine Geology Theme_Keyword: Seafloor mapping Theme_Keyword: Tectonics Theme_Keyword: Remote Sensing Theme_Keyword: Sidescan-sonar Theme_Keyword: Radar Theme_Keyword: USGS Theme_Keyword: Hazards Theme_Keyword: Bathymetry Access_Constraints: None Use_Constraints: Not to be used for navigation Point_of_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Coastal and Marine Geology Program Contact_Address: Address_Type: mailing and physical address Address: Woods Hole Field Center 384 Woods Hole Rd City: Woods Hole State_or_Province: MA Postal_Code: 02543 Country: USA Contact_Voice_Telephone: 508-548-8700 Hours_of_Service: 8am-5pm (EST) Data_Quality_Information: Attribute_Accuracy: Attribute_Accuracy_Report: Attribute accuracy is tested by comparison of sidescan-sonar data with grab samples and/or comparison of side-looking airborne radar with field maps Logical_Consistency_Report: GIS Data: Points are represented by coordinate pairs, nodes by a single coordinate pair. Polygons are used to outline bottom geology and features. Lines are used to represent contoured bathymetry and tracklines. Completeness_Report: All sidescan sonar and side-looking airborne radar interpretable areas in the given study area are mapped. Positional_Accuracy: Horizontal_Positional_Accuracy: Horizontal_Positional_Accuracy_Report: Measurement checked with navigational charts and/or Global Positioning Systems. Vertical_Positional_Accuracy: Vertical_Positional_Accuracy_Report: Measuremnts checked with navigational charts and/or Global Positioning Systems. Lineage: Source_Information: Source_Citation: Citation_Information: Originator: Scanlon, K.M. Originator: Briere, P.R. Publication_Date: 20000105 Title: OFR 00-006. Puerto Rico: Marine sediments, terrestrial and seafloor imagery, and tectonic interpretations Geospatial_Data_Presentation_Form: map Publication_Information: Publication_Place: Reston, VA Publisher: USGS Source_Scale_Denominator: n/a Type_of_Source_Media: CD-ROM Source_Time_Period_of_Content: Time_Period_Information: Range_of_Dates/Times: Beginning_Date: 19890105 Ending_Date: 19991205 Source_Currentness_Reference: Ground Condition Source_Citation_Abbreviation: varies Source_Contribution: varies Process_Step: Process_Description: Data collected by GLORIA long-range sidescan-sonar, side-looking airborne radar, and sediment samples. Process_Date: Unknown Distribution_Information: Distributor: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Contact_Address: Address_Type: mailing and physical address Address: 384 Woods Hole Rd City: Woods Hole State_or_Province: MA Postal_Code: 02543 Contact_Voice_Telephone: 508-548-8700 Distribution_Liability: n/a Metadata_Reference_Information: Metadata_Date: 20000105 Metadata_Contact: Contact_Information: Contact_Organization_Primary: Contact_Organization: USGS Coastal and Marine Geology Program Contact_Address: Address_Type: mailing and physical address Address: Woods Hole Field Center 384 Woods Hole Rd City: Woods Hole State_or_Province: MA Postal_Code: 02543 Contact_Voice_Telephone: 508-548-8700 Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata Metadata_Standard_Version: 95 Metadata_Time_Convention: Local time Metadata_Access_Constraints: None Metadata_Use_Constraints: