These data represent a digital form of the geologic map of Cape Cod and the islands.
Purpose:
This shapefile is provided as a digital representation of the original paper geologic map: Geologic map of Cape Cod and the Islands, Massachusetts. See source contribution for detailed citation.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1986
Currentness_Reference: publication date
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -70.949375
East_Bounding_Coordinate: -69.926684
North_Bounding_Coordinate: 42.083040
South_Bounding_Coordinate: 41.238200
Keywords:
Theme:
Theme_Keyword_Thesaurus: General
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: USGS
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: CMGP
Theme_Keyword: Woods Hole Science Center
Theme_Keyword: WHSC
Theme_Keyword: ArcView shapefile
Theme_Keyword: geologic map
Theme_Keyword: geologic interpretation
Theme_Keyword: geology
Theme_Keyword: glacial deposits
Theme_Keyword: polygon
Theme_Keyword: shapefile
Theme_Keyword: Geologic Map of Cape Cod and the Islands, Massachusetts
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: oceans and estuaries
Theme_Keyword: oceans and coastal
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: General
Place_Keyword: Cape Cod
Place_Keyword: Atlantic Ocean
Place_Keyword: Buzzard's Bay
Place_Keyword: Cape Cod Bay
Place_Keyword: Elizabeth Islands
Place_Keyword: Martha's Vineyard
Place_Keyword: Nantucket
Place_Keyword: Nantucket Sound
Place_Keyword: United States
Place_Keyword: Vineyard Sound
Place_Keyword: Woods Hole
Place_Keyword: North America
Access_Constraints: None.
Use_Constraints:
Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information. Please cite the source map as: Geologic Map of Cape Cod and the Islands, Massachusetts, 1986, Robert N. Oldale, Roger A. Barlow: Miscellaneous Investigations Series, Map I-1763.
Image map showing the geologic interpretation of Cape Cod and the Islands
Browse_Graphic_File_Type: GIF
Native_Data_Set_Environment:
Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.2.0.700
Cross_Reference:
Citation_Information:
Originator: Robert N. Oldale
Originator: Roger A. Barlow
Publication_Date: 1986
Title: Geologic Map of Cape Cod and the Islands, Massachusetts
Series_Information:
Series_Name: Miscellaneous Investigations Series
Issue_Identification: Map I-1763
Publication_Information:
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Cross_Reference:
Citation_Information:
Originator: B.W. Hallett
Originator: V.F. Paskevich
Originator: L.J. Poppe
Originator: S.G. Brand
Originator: D.S. Blackwood
Publication_Date: 2004
Title:
A Pictorial Survey of the Bedrock Beneath Western Cape Cod, Massachusetts
Edition: 1.0
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 2003-221
Publication_Information:
Publication_Place: Woods Hole Science Center, Woods Hole, MA
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Data_Quality_Information:
Logical_Consistency_Report:
No additional checks for topological consistency were performed on the data.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Robert N. Oldale
Originator: Roger A. Barlow
Publication_Date: 1986
Title: Geologic map of Cape Cod and the Islands, Massachusetts
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: Miscellaneous Investigations Series
Issue_Identification: Map I-1763
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Type_of_Source_Media: paper
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1986
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: Map I-1763
Source_Contribution:
The original paper map was scanned, georeferenced and then digitzed to create the polygons defining the geologic boundries.
Process_Step:
Process_Description:
The original paper map was scanned and converted to a TIFF image using a large format scanner in Reston, VA.
Source_Used_Citation_Abbreviation: Map I-1763
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave Foster
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2271
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
This original TIFF image was then registered using BlueMarble geographic transformer software. This original georeferencing was based on the UTM, zone 19, NAD27 tic marks available on the map.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave Foster
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2271
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
This UTM, Zone 19, NAD27 image was then reprojected using BlueMarble geographic transformer to UTM, Zone 19, NAD83.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Dave Foster
Contact_Organization: U.S. Geological Survey
Contact_Position: Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2271
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: dfoster@usgs.gov
Process_Step:
Process_Description:
Using this UTM, NAD83 image as a backdrop, the geologic contacts were heads up digitized in ESRI's ArcMap, 8.2 software.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Attributes reflecting the information recorded on the original geologic map were added to the shapefile.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Within ArcView 3.2, the avenue script calcapl.ave was run on the shapefile to help identify sliver polygons.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Due to the large number of sliver polygons, the decision was made to convert the shapefile to a coverage using the ArcInfo command shapearc. A subclass was specified so that the attribute information already in the shapefile would be carried over to the coverage.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Once the shapefile was in a coverage, CLEAN was run on the coverage with a fuzzy tolerance of 1 and a dangle tolerance of 0.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
This polygon coverage was then converted back to a shapefile with unnecessary attribute columns deleted.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Polygons with small areas were looked at more closely to see if any larger sliver polygons escaped the clean process. Those that did escape were merged with the adjacent larger polygons of the same geologic unit.
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Once the shapefile was cleaned and edits were complete, the UTM projected shapefile was projected to geographic coordinates.
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: cape_geolgeog
Entity_Type_Definition: Shapefile Attribute Table
Entity_Type_Definition_Source: ESRI
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: ID
Attribute_Definition: software generated value
Attribute_Definition_Source: ESRI
Attribute:
Attribute_Label: GEOLUNIT
Attribute_Definition: Geologic unit abbreviation.
Attribute_Definition_Source: Original map publishers - Oldale and Barlow
Attribute_Domain_Values:
Unrepresentable_Domain: character data set
Attribute:
Attribute_Label: GEOLDESC
Attribute_Definition: Brief description of the geologic unit.
Attribute_Definition_Source:
Condensed from the original unit descriptions appearing on the paper map by Oldale and Barlow.
Attribute_Domain_Values:
Unrepresentable_Domain: character data set
Distribution_Information:
Distributor:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Resource_Description: Downloadable Data
Distribution_Liability:
Although all data have been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials.
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: SHP
Format_Version_Number: ArcView 3.3
Format_Specification: ESRI point shapefile
Format_Information_Content:
The SHP file contains the geospatial data. The SHX file contains the index of the geospatial data. The DBF file contains the attribute data in dBASE format. The PRJ file contains the coordinate system information (optional). The AVL file contains the legend information (optional). The SBN and SBX files contain the spatial index of the geospatial data (optional). The XML file contains the metadata describing the data set <data set name>.shp.xml. An ASCII version of the metadata file. A browse graphic showing the data layer coverage and extent (optional).
Access_Instructions: Data are downloadable via the World Wide Web (WWW).
Offline_Option:
Offline_Media: DVD-ROM
Recording_Capacity:
Recording_Density: 4.75
Recording_Density_Units: Gbytes
Recording_Format: UDF
Fees: None
Technical_Prerequisites:
These data are available in Environmental Systems Research Institute (ESRI) shapefile format. The user must have ArcGIS® or ArcView® 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing data. A free data viewer, ArcExplorer, capable of displaying the data is available from ESRI at www.esri.com.
Metadata_Reference_Information:
Metadata_Date: 20060320
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: VeeAnn A. Cross
Contact_Organization: U.S. Geological Survey
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: mailing and physical address
Address: 384 Woods Hole Rd.
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Country: USA
Contact_Voice_Telephone: (508) 548-8700 x2251
Contact_Facsimile_Telephone: (508) 457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
