Arizona geologic map

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Frequently anticipated questions:

What does this data set describe?

Title: Arizona geologic map
Online digital geological map database of Arizona created by the Bureau of Land Mangement and Arizona Geologic Survey.
  1. How might this data set be cited?
    Survey, Arizona Geologic, and Bureau of Land Management (BLM), 1993, Arizona geologic map: Arizona Geological Survey Map 26.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -115.692550
    East_Bounding_Coordinate: -108.394050
    North_Bounding_Coordinate: 37.506613
    South_Bounding_Coordinate: 30.723759
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 1993
    publication date
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: map
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a vector data set.
    2. What coordinate system is used to represent geographic features?
      The map projection used is Lambert Conformal Conic.
      Projection parameters:
      Standard_Parallel: 33.0
      Standard_Parallel: 45.0
      Longitude_of_Central_Meridian: -96.0
      Latitude_of_Projection_Origin: 23.0
      False_Easting: 5000000
      False_Northing: 0
      Planar coordinates are encoded using Coordinate pair
      Planar coordinates are specified in meters
  7. How does the data set describe geographic features?
    Geologic map units (No descriptions given) (Source: Special Publication - Arizona)
    Geologic map units at specific locations (No descriptions given) (Source: Special Publication - Arizona)
    Faults (Source: Special Publication - Arizona)
    Description (Source: Special Publication - Arizona)
    BLM DISTRICT BOUNDARYBureau of Land Management district boundary

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Arizona Geologic Survey
    • Bureau of Land Management (BLM)
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
    Raines, Gary Lee
    MacKay School Of Mines
    Reno, NV

    775-784-5596 (voice)

Why was the data set created?

To provide to the public a digital geologic map database of Arizona.

How was the data set created?

  1. From what previous works were the data drawn?
    BLM and Arizona Geologic Survey (1988) (source 1 of 1)
    Wilson, David, 1988, Geologic map of Arizona.

    Created by the Bureau of Land Management and Arizona Geologic Survey
    Type_of_Source_Media: mylar
    Source_Scale_Denominator: 1000000
    Source map used for creating digital geologic map database of Arizona.
  2. How were the data generated, processed, and modified?
    Date: 04-Jun-1993 (process 1 of 2)
    Corrected polygon labels
    Date: 07-Sep-2000 (process 2 of 2)
    Creation of original metadata record Person who carried out this activity:
    Jennifer Lenz
    US Geological Survey
    12201 Surise Valley Drive, Mail Stop 918
    Reston, VA

    703-648-6974 (voice)
    703-648-6560 (FAX)
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the observations, including topology?
    Single source map from the Bureau of Land Management and the Arizona Geologic Survey.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: None
Use_Constraints: None
  1. Who distributes the data set? (Distributor 1 of 1)
    USGS Information Services
    Box 25286, Denver Federal Center
    Denver, Colorado

    1-888-ASK-USGS (voice)
    1-303-202-4695 (FAX)
  2. What's the catalog number I need to order this data set? US Geological Survey Special Publication - Geologic map of Arizona
  3. What legal disclaimers am I supposed to read?
    All users of the Arizona map should acknowledge that the digital data was obtained from the BLM.
  4. How can I download or order the data?

Who wrote the metadata?

Last modified: 05-Feb-2016
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse,
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA

703-648-6533 (voice)
703-648-6252 (FAX)
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

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