Surficial geologic map along the Castle Mountain fault between Houston and Hatcher Pass Road, Alaska

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Peter Haeussler, U.S. Geological Survey
Publication_Date: 1998
Title:
Surficial geologic map along the Castle Mountain fault between Houston and Hatcher Pass Road, Alaska
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: U.S. Geological Survey Open-File Report
Issue_Identification: 98-480
Publication_Information:
Publication_Place: Anchorage, Alaska
Publisher: U.S. Geological Survey
Online_Linkage: http://pubs.usgs.gov/of/1998/0480/
Description:
Abstract:
This two coverage dataset makes up a 1:25,000 scale surficial geologic map along the Castle Mountain fault between Houston and Hatcher Pass Road in southcentral Alaska. The map area lies entirely within the Anchorage quadrangle and within the Matanuska-Susitna Borough. The primary purpose of the map is to delineate the location of the Castle Mountain fault and other active or potentially active faults in the area. This map lies between two other maps along the Castle Mountain fault by Detterman and others (1974, 1976).
Purpose:
This map was designed to delineate the location of the Castle Mountain fault and other active or potentially active faults in the area. Nonetheless, the surficial geologic map may be used for generic purposes.
Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1998
Currentness_Reference: publication date
Status:
Progress: complete
Maintenance_and_Update_Frequency: Unknown
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -149.9
East_Bounding_Coordinate: -149.2
North_Bounding_Coordinate: 61.75
South_Bounding_Coordinate: 61.5
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: geology
Theme_Keyword: geologic maps
Theme_Keyword: surficial geologic units
Theme_Keyword: geologic structure
Theme_Keyword: geospatial datasets
Theme:
Theme_Keyword_Thesaurus: National Geologic Map Database Catalog themes, augmented
Theme_Keyword: 3400 - Graphical
Theme_Keyword: 3410 - PDF
Theme_Keyword: 3100 - Vector
Theme_Keyword: 3420 - PostScript
Theme_Keyword: 3110 - ESRI
Theme_Keyword: 3112 - export
Theme_Keyword: 1100 - Geology
Theme_Keyword: 1101 - General
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Categories
Theme_Keyword: geoscientificInformation
Place:
Place_Keyword_Thesaurus: Augmented FIPS 10-4 and FIPS 6-4
Place_Keyword: f02170 = Matanuska-Susitna
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Talkeetna Mountains
Place_Keyword: Alaska
Access_Constraints: None
Use_Constraints:
Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Peter Haeussler
Contact_Organization: U.S. Geological Survey
Contact_Address:
Address_Type: mailing and physical address
Address: 4200 University Drive
City: Anchorage
State_or_Province: AK
Postal_Code: 99508-4667
Country: USA
Contact_Voice_Telephone: 907-561-1181
Contact_Facsimile_Telephone: 907-786-7401
Contact_Electronic_Mail_Address: pheuslr@usgs.gov
Browse_Graphic:
Browse_Graphic_File_Name: cmfmaplowres.gif
Browse_Graphic_File_Description:
GIF89a image of published map; 300x362 pixels, 72dpi, 256 colors, 44K
Browse_Graphic_File_Type: GIF
Data_Set_Credit:
Peter Haeussler, Nathan Pannkuk (Raytheon STX contractor), H. Wilmer (ECO contractor); U.S. Geological Survey, 4200 University Drive, Anchorage, AK 99508-4667
Native_Data_Set_Environment: SunOS, 5.6, sun4u UNIX, ARC/INFO version 7.1.2
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
The linework was digitized from a paper copy of 1:25,000 scale field maps. The linework was derived from field work and aerial photograpic interpretation. The aerial photographs were taken on March 29, 1986 and working copies were printed at a scale of 1" to 1500 feet or 1:18,000. Aerial photo interpretations were drawn on mylar overlays and then transferered to 1:25,000 topographic maps.
Geologic contacts are generally accurate to within 30 meters, and most fault locations are accurate to 10 meters, except the Lost-in-the-woods fault, which is located to approximately 100 meters, where dashed and dotted.
The topographic base is a raster layer and obtained by scanning the culture separation of the 1:25,000 topographic base at 300 dpi.
Logical_Consistency_Report:
The map area is covered by two sets of coverages, 'east' and 'west'. Each area has a net coverage containing information about the geologic units ('unit') and their boundaries ("code"). For each area there is an additional coverage containing fault information. Dangling arcs are present.
Completeness_Report:
The data sets contain information appropriate for a 1:25,000 scale surficial geologic map.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Users of this digital geologic map should respect the intentions of the originators and the limitations of the map. This coverage is intended to be used at a scale of 1:25,000; it is not intended to be used as a more detailed scale. The geologic contacts are generally accurate to within 30 meters, and most fault locations are accurate to 10 meters except the Lost-in-the woods fault, which is located to approximately 100 meters.
Lineage:
Process_Step:
Process_Description:
Linework was captured by hand digitizing from paper maps and mylar overlays. The linework was edited and attributed using ARC/INFO. The coverage was cleaned, built for polygons, and had labels created and attributed. For the purpose of distribution, the coverages have been converted to interchange format files using the ARC/Info export command.
Process_Date: 1998
Process_Step:
Process_Description: Creation of original metadata record
Process_Date: 19981028
Process_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Nora Shew
Contact_Organization:
US Geological Survey Minerals Resource Program - Alaska Section
Contact_Address:
Address_Type: mailing and physical address
Address: 4200 University Drive
City: Anchorage
State_or_Province: AK
Postal_Code: 99508-4667
Country: USA
Contact_Voice_Telephone: 907-786-7445
Contact_Facsimile_Telephone: 907-786-7401
Contact_Electronic_Mail_Address: nshew@usgs.gov
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 6
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -147.0
Latitude_of_Projection_Origin: 0.0
False_Easting: 500000
False_Northing: 0.0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: coordinate pair
Coordinate_Representation:
Abscissa_Resolution: 20
Ordinate_Resolution: 20
Planar_Distance_Units: meters
Entity_and_Attribute_Information:
Overview_Description:
Entity_and_Attribute_Overview:
'Unit' is a numeric item in the polgon attribute table for coverages east and west. The attributes have the following descriptions:
1 	Qp	Peat deposits (Holocene)
2 	Qg	Basal drift of Elemendorf advance (Pleistocene)
3 	Qac	Abandoned river channel deposits (Holocene or Pleistocene)
4 	Qc	Undifferentiated colluvium (Holocene)
5 	Qgb	Thin drift of Elmendorf advance (Pleistocene)
6 	Qad	Ancient drainage deposits of Elmendorf advance (Pleistocene)
7 	Qat	Alluvium in river terraces (Holocene or Pleistocene)
8 	Qaa	Alluvium along rivers (Holocene)
9 	Qml	Lateral moraine of Elmendorf advance (Pleistocene)
10	Qas	Undifferentiated colluvium and alluvium (Holocene)
11	Qk	Kame terrace deposits of Elmendorf advance (Pleistocene)
12	Qg2	Drift of pre-Elmendorf advances (Pleistocene)
13	Qat2	Alluvium in paleodrainage (Holocene or Pleistocene)
15	Qam	Alluvium along small meandering streams (Holocene)
16	Qls	Landslide deposits (Holocene)
17	Qe	Esker deposits of Elmendorf advance (Pleistocene)
99	w	water
The arc attribute tables for the coverages east and west have a numeric item named 'code', which has the following descriptions:
0 	leader
1 	contact
2 	contact
3 	contact, approximately located
9 	water boundary
The arc attribute tables for coverages fault_e and fault_2 have a numeric item named 'code', which has the following descriptions:
1 	fault
2 	fault, possible location
3 	fault, approximate location
4 	fault, concealed
5 	fault, probable location
6 	limit of aerial photograph coverage
7 	lineation, probably reflecting bedding in underlying bedrock
Entity_and_Attribute_Detail_Citation:
For complete description of attributes, see
Haeussler, P.J., 1998, Surficial geologic map along the Castle Mountain fault between Houston and Hatcher Pass Road, Alaska: U.S. Geological Survey Open-File Report 98-480.
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: USGS Information Services
Contact_Address:
Address_Type: mailing address
Address:
Box 25286
Denver Federal Center
City: Denver
State_or_Province: CO
Postal_Code: 80225-0046
Country: USA
Contact_Voice_Telephone: 1-888-ASK-USGS
Contact_Facsimile_Telephone: 303-202-4693
Distribution_Liability:
This digital publication was prepared by an agency of the United States Government. Neither the United States Government nor the agency thereof nor any of their employees make any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed in this report or represents that its use would not infringe privately owned rights. Reference therein to any specific commercial product, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof.
Although this data has been used by the USGS, no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and related materials and/or the functioning of the software. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data, software, or related materials.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: ARCE
Format_Version_Number: 7.x
Format_Information_Content: Geologic units (east and west) and faults (e and w)
File_Decompression_Technique: no compression applied
Transfer_Size: 2
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Fees: none
Metadata_Reference_Information:
Metadata_Date: 20160205
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: Peter N Schweitzer
Contact_Organization: USGS Midwest Area
Contact_Position:
Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
Contact_Address:
Address_Type: mailing address
Address:
Mail Stop 954
12201 Sunrise Valley Dr
City: Reston
State_or_Province: VA
Postal_Code: 20192-0002
Country: USA
Contact_Voice_Telephone: 703-648-6533
Contact_Facsimile_Telephone: 703-648-6252
Contact_Electronic_Mail_Address: pschweitzer@usgs.gov
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998

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