Geologic map of the Bernalillo NW quadrangle, Sandoval County, New Mexico

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Frequently anticipated questions:


What does this data set describe?

Title:
Geologic map of the Bernalillo NW quadrangle, Sandoval County, New Mexico
Abstract:
The Bernalillo NW quadrangle is located in the northern part of the Albuquerque basin, which is the largest basin or graben within the Rio Grande rift. The quadrangle is underlain by poorly consolidated sedimentary rocks of the Santa Fe Group. These rocks are best exposed in the southwestern part of the quadrangle in the Rincones de Zia, a badland topography cut by northward-flowing tributary arroyos of the Jemez River. The Jemez River flows through the northern half of the quadrangle; extensive fluvial and eolian deposits cover bedrock units along the river. The structural fabric of the quadrangle is dominated by dozens of generally north striking, east and west-dipping normal faults and minor folds associated with the Neogene Rio Grande rift.
Supplemental_Information:
Compilation scale: 1:24,000
Geology mapped: 1999
Geospatial datafiles included in this data set:
bernalillo:    Geologic units, tephra beds
berngeoline:   Geologic contacts, faults, anticlines, synclines
bernaline:     Aeromagnetic anomalies, cross-section lines
bernapoint:    Strike and dip symbols, fault dips, paleocurrent vectors, sample points
Although this metadata file is intended to document the data set in nonproprietary form, as well as in ArcInfo format, this metadata file may include some ArcInfo-specific terminology.
  1. How might this data set be cited?
    Koning, Daniel J., and Personius, Stephen F., 2002, Geologic map of the Bernalillo NW quadrangle, Sandoval County, New Mexico: U.S. Geological Survey Miscellaneous Field Studies Map MF-2404, U.S. Geological Survey, Denver, Colorado.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -106.75
    East_Bounding_Coordinate: -106.625
    North_Bounding_Coordinate: 35.50
    South_Bounding_Coordinate: 35.375
  3. What does it look like?
    http://pubs.usgs.gov/mf/2002/mf-2404/mf-2404.gif (GIF)
    Reduced-size image of the entire map sheet, 400x258 pixels, 55k bytes.
    http://pubs.usgs.gov/mf/2002/mf-2404/mf-2404_print.pdf (PDF)
    Printable representation of the map sheet, 3.1 megabytes
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 2002
    Currentness_Reference:
    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. It contains the following vector data types (SDTS terminology):
      • Point (1088)
      • String (4615)
      • GT-polygon composed of chains (1089)
    2. What coordinate system is used to represent geographic features?
      Grid_Coordinate_System_Name: Universal Transverse Mercator
      Universal_Transverse_Mercator:
      UTM_Zone_Number: 13
      Transverse_Mercator:
      Scale_Factor_at_Central_Meridian: .9996
      Longitude_of_Central_Meridian: -105
      Latitude_of_Projection_Origin: 0
      False_Easting: 500,000.000000
      False_Northing: 0
      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 1.4283415362
      Ordinates (y-coordinates) are specified to the nearest 1.4283415362
      Planar coordinates are specified in Meters
      The horizontal datum used is North American Datum of 1927.
      The ellipsoid used is Clarke 1866.
      The semi-major axis of the ellipsoid used is 6378206.4.
      The flattening of the ellipsoid used is 1/294.98.
  7. How does the data set describe geographic features?
    Entity_and_Attribute_Overview:
    ------------------------------
    COVERAGE NAME:  bernalillo
    ------------------------------
    DATABASE STRUCTURE OF BERNALILLO.PAT:
    
    COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME
     1  AREA                   8    18     F      5
     9  PERIMETER              8    18     F      5
    17  BERNALILLO#            4     5     B      -    B
    21  BERNALILLO-ID          4     5     B      -
    25  SYMBOL                 4     4     I      -    S
    29  UNIT                  15    15     C      -
    44  DESCRIPTION          100   100     C      -    D
    
    ATTRIBUTE NAMES:  SYMBOL; UNIT; DESCRIPTION.
    
    DESCRIPTIONS OF ATTRIBUTE NAMES:
    --SYMBOL:        Number given to geological map unit representing a value of color used from shadeset "color524.shd".
    --UNIT:          Label given to polygons representing name of geological entities.
    --DESCRIPTION:   Brief geological explanation of unit.
    
    ITEM VALUES FOR 'UNIT' AND 'DESCRIPTION'
    UNIT           DESCRIPTION
    ------------------------------
    Qaj2       Alluvium 2 of Jemez River (middle Pleistocene)
    Qaj3       Alluvium 3 of Jemez River (middle Pleistocene)
    Qaj4       Alluvium 4 of Jemez River (middle Pleistocene)
    Qaj5       Alluvium 5 of Jemez River (upper to middle(?) Pleistocene)
    Qaj6a      Alluvium 6a of Jemez River (Holocene)
    Qaj6b      Alluvium 6b of Jemez River (Holocene)
    Qalh       Active channel alluvium (historic)
    Qalo       Older arroyo alluvium (Holocene to lower(?) Pleistocene)
    Qaly       Younger arroyo alluvium (Holocene)
    Qesd       Active sand dunes (historic)
    Qeso       Older eolian sand (Holocene to middle(?) Pleistocene)
    Qeso/Qalo  Older eolian sand over older arroyo alluvium (Holocene to middle(?) Pleistocene)
    Qesy       Younger eolian sand (Holocene)
    Qesy/Qaj6a Younger eolian sand over alluvium 6a of Jemez River (Holocene)
    Qesy/Qalo  Younger eolian sand over older arroyo alluvium (Holocene)
    Qesy/Qaly  Younger eolian sand over younger arroyo alluvium (Holocene)
    Qf         Artificial fill (Historic)
    Tob        Arroyo Ojito Formation, Loma Barbon Member (Pliocene to upper Miocene)
    Toc        Arroyo Ojito Formation, Ceja Member (Pliocene)
    Tocf       Arroyo Ojito Formation, fault-related rocks in Ceja Member (Pliocene)
    Ton        Arroyo Ojito Formation, Navajo Draw Member (upper Miocene)
    Tonl       Arroyo Ojito Formation, lower part of Navajo Draw Member (upper Miocene)
    Tonlr      Arroyo Ojito Formation, red zone in lower part of Navajo Draw Member (upper Miocene)
    Tonm       Arroyo Ojito Formation, middle part of Navajo Draw Member (upper Miocene)
    Tonu       Arroyo Ojito Formation, upper part of Navajo Draw Member (upper Miocene)
    Tsfu       Santa Fe Group, undivided (Miocene)
    Tzcc       Zia Formation, Cerro Conejo Member (upper and middle Miocene)
    Tzccc      Zia Formation, cemented Cerro Conejo Member (upper and middle Miocene)
    Tzcci      Zia Formation, interbedded upper part of Cerro Conejo Member (upper Miocene)
    
    DATABASE STRUCTURE OF BERNALILLO.AAT:
    
    COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME
     1  FNODE#                 4     5     B      -
     5  TNODE#                 4     5     B      -
     9  LPOLY#                 4     5     B      -
    13  RPOLY#                 4     5     B      -
    17  LENGTH                 8    18     F      5
    25  BERNALILLO#            4     5     B      -
    29  BERNALILLO-ID          4     5     B      -
    33  SYMBOL                 3     3     I      -    S
    36  LINESET               25    25     C      -
    61  DESCRIPTION           50    50     C      -    D
    
    ATTRIBUTE NAMES:  SYMBOL; LINESET; DESCRIPTION.
    
    DESCRIPTIONS OF ATTRIBUTE NAMES:
    --SYMBOL:        Numbers given to lines representing line symbol used from specified lineset.
    --LINESET:       Arc/Info symbolset corresponding line symbol with given symbol number.
    --DESCRIPTION:   Brief geological explanation of type of line.
    
    ITEM VALUES FOR 'SYMBOL', 'LINESET', AND 'DESCRIPTION':
    SYMBOL  LINESET         DESCRIPTION
    --------------------------------------------------------
      1  geol_sfo.lin       contact-certain
      3  geol_sfo.lin       contact-approximately located
      3  geol_sfo.lin       contact-approximately located,queried
     51  geol_sfo.lin       fault with known sense of displacement-certain
     52  geoscamp1.lin      fault with unknown sense of displacement-approximately located
     53  geoscamp1.lin      fault with unknown sense of displacement-concealed
     54  geoscamp1.lin      fault with known sense of displacement-approximately located,queried
     60  geol_sfo.lin       anticline-certain
     92  geol_sfo.lin       syncline-certain
    185  geol_sfo.lin       fault with known sense of displacement-approximately located
    186  geol_sfo.lin       fault with known sense of displacement-concealed
    186  geol_sfo.lin       fault with known sense of displacement-concealed,queried
    210  geoscamp1.lin      fault with unknown sense of displacement-certain
    218  geol_sfo.lin       tephra deposit
    
    --------------------------
    COVERAGE NAME:  bernaline
    --------------------------
    DATABASE STRUCTURE OF BERNALINE.AAT:
    
    COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME     INDEXED?
     1  FNODE#                 4     5     B      -                        -
     5  TNODE#                 4     5     B      -                        -
     9  LPOLY#                 4     5     B      -                        -
    13  RPOLY#                 4     5     B      -                        -
    17  LENGTH                 8    18     F      5                        -
    25  BERNALINE#             4     5     B      -                        -
    29  BERNALINE-ID           4     5     B      -                        -
    33  SYMBOL                 3     3     I      -                        -
    36  DESCRIPTION           25    25     C      -                        -
    
    ATTRIBUTE NAMES:  SYMBOL; DESCRIPTION.
    
    DESCRIPTIONS OF ATTRIBUTE NAMES:
    --SYMBOL:        Numbers given to lines representing line symbol used from specified lineset.
    --DESCRIPTION:   Brief geological explanation of type of line.
    
    ITEM VALUES FOR 'SYMBOL' AND 'DESCRIPTION':
    DESCRIPTION            SYMBOL
    -------------------------------------------
    cross-section A - A'          1
    aeromagnetic anomaly   164
    
    ---------------------------
    COVERAGE NAME:  bernapoint
    ---------------------------
    DATABASE STRUCTURE OF BERNAPOINT.PAT:
    
    BERNAPOINT.PAT
    COLUMN   ITEM NAME        WIDTH OUTPUT  TYPE N.DEC  ALTERNATE NAME     INDEXED?
      1  AREA                   4    12     F      3                        -
      5  PERIMETER              4    12     F      3                        -
      9  BERNAPOINT#            4     5     B      -                        -
     13  BERNAPOINT-ID          4     5     B      -                        -
     17  DESCRIPTION          100   100     C      -    D                   -
    117  SYMBOL                 4     4     I      -    S                   -
    121  DIP                    4     4     I      -    DI                  -
    125  STRIKE                 4     4     I      -    ST                  -
    129  TEXT                 100   100     C      -
    
    ATTRIBUTE NAMES:  STRIKE; DIP; DESCRIPTION; SYMBOL; TEXT.
    
    DESCRIPTIONS OF ATTRIBUTE NAMES:
    --STRIKE:       Compass direction of bedding trend, in degrees.
    --DIP:          Angle of bedding dip, in degrees from horizontal.
    --DESCRIPTION:  Brief geologic explanation of point type.
    --SYMBOL:       Numerical value given to each point from Arc/Info symbolset geoscamp2.mrk.
    --TEXT:         Sample point map labels indicating name or date of sample taken from point locality.
    
    ITEM VALUES FOR 'SYMBOL', 'TEXT', AND 'DESCRIPTION'.
    SYMBOL TEXT                  DESCRIPTION
    ---------------------------------------------------------------------------------------------------------------------------------------
      0    A                    point A of cross-section
      0    A'                   point A prime of cross-section         -
      2                         inclined bedding-showing strike and dip
    130                         paleocurrent vector
    233    8/26/97-1            sample point
    233    MRGB-17-BNW          sample point
    233    MRGB-19-BN           sample point
    233    Tamara # 1-Y         well location
    233    M1                   sample point
    233    8h                   sample point
    233    11c                  sample point
    233    11e                  sample point
    241                         dip of fault
    493                         plunge of anticline
    
    ITEM VALUES FOR 'STRIKE':
    range of values:  0 - 359
    
    ITEM VALUES FOR 'DIP':
    range of values:  0 - 90
    
    Entity_and_Attribute_Detail_Citation: http://pubs.usgs.gov/mf/2002/mf-2404/mf-2404_textonly.pdf

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Daniel J. Koning
    • Stephen F. Personius
  2. Who also contributed to the data set?
    Production of this map was funded by the National Cooperative Geologic Mapping Program.
  3. To whom should users address questions about the data?
    Personius, Stephen F.
    U.S. Geological Survey
    USGS, Mail Stop 966, Box 25046, Denver Federal Center
    Denver, CO
    USA

    303-273-8611 (voice)
    (303) 273-8600 (FAX)
    personius@usgs.gov

Why was the data set created?

The geology of the Bernalillo NW quadrangle was mapped as part of the USGS Middle Rio Grande Basin project to explore the geologic framework of water resources in the region.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
    Date: 1999 (process 1 of 12)
    Field mapping by the authors.
    Date: 1999 (process 2 of 12)
    Compilation with stereo aerial photography on PG-2 plotter by the authors.
    Date: 2001 (process 3 of 12)
    Cole combined the geologic features mapped separately by Personius and Koning and created punch-registered mylar sheets at 1:24,000-scale to facilitate digitization. One mylar sheet contained all geologic contact lines (traced from the geologists' original greenlines), a second contained all fault features, and a third contained all fold axes, tephra beds, and related linear features that do not affect polygons. Registration marks were positioned on the mylar sheets by inspection at 2.5-minute intervals to facilitate geo-registering and combining the scanned/digitized files for the map database. Person who carried out this activity:
    James Channing Cole
    U.S. Geological Survey, CR
    Mail Stop 913
    Box 25046, Denver Federal Center
    Denver, CO
    USA

    303-236-1417 (voice)
    303-236-0214 (FAX)
    jimcole@usgs.gov
    Date: 2001 (process 4 of 12)
    Polygons, lines, and points representing geologic features and data points were digitized from scale-stable compilation materials using 'heads up digitizing' in ArcInfo to create geology, line, and point coverages. Polygon topology was built in the geology coverage.
    Date: 2001 (process 5 of 12)
    Text map unit descriptors were added to the .AAT and .PAT database files for each coverage.
    Date: 2001 (process 6 of 12)
    Draft check plots of the geologic map and explanation were created and submitted for peer review. Geologists reviewed the plots for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature. Revisions were made to the geospatial database as needed.
    Date: 01-Mar-2002 (process 7 of 12)
    First draft of metadata created by Amy Zoller using FGDCMETA.AML ver. 1.32 01/11/99 on ARC/INFO data set /data9/azoller/bernalillo/finalcov/bernalillo
    Date: 2002 (process 8 of 12)
    The geospatial database files and metadata were quality checked for completeness and consistency.
    Date: 2002 (process 9 of 12)
    The database files, metadata, and check plots were edited by the USGS Central Publications Group, and revisions made to the geospatial database as needed.
    Date: 2002 (process 10 of 12)
    Final preparation of the geospatial database for distribution, and preparation of map-on-demand files and metadata.
    Date: 25-Feb-2003 (process 11 of 12)
    Map-on-demand, PDF layouts, and database updated to correct information about faults in sec. 4 and 9, T. 14 N., R. 3 E., to correct a dip value in sec. 10, T. 14 N., R. 2 E., and to show additional information about fault displacement in northeast corner of map area (version 1.1)
    Date: 01-Mar-2002 (process 12 of 12)
    Creation of original metadata record Person who carried out this activity:
    U.S. Geological Survey
    Attn: Amy L. Zoller
    MS 980, Box 25046, Denver Federal Center
    Denver, CO
    USA

    303-236-7648 (voice)
    azoller@usgs.gov
  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?
    Original data were drawn on two 1:24,000-scale mylar greenlines by the authors. D.J. Koning was responsible for mapping bedrock and surficial deposits south of the Jemez River; S.F. Personius was responsible for mapping bedrock and surficial deposits north of the Jemez River, surficial deposits adjacent to the Jemez River, and geologic compilation of the quadrangle.
    Attributes have been checked by both the author and reviewers for accuracy and completeness.
  2. How accurate are the geographic locations?
    Lines and point locations were primarily mapped by photo-interpretation of field-marked 1:20,000-scale black and white, 1:36,000 color, and 1:40,000-scale color-infrared aerial photographs using a PG-2 photogrammetric plotter that rectified the position and transferred locations to a 1:24,000-scale base map.
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
    Some areas of the southeastern part of the map on lands of Santo Ana Pueblo were not visited or field checked.
  5. How consistent are the relationships among the observations, including topology?
    Polygon and chain-node topology present.
    Map elements were visually checked for overshoots, undershoots, duplicate features, polygon attributes, and other errors. Automated (ARC/INFO) routines were also used to check the databases for polygon label errors, line or point attribution errors, sliver polygons, dangling arcs, intersection errors, and projection information.
    The map was reviewed by other geologists for consistency with basic geologic principles and general conformity to USGS mapping standards.

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. However, acknowledgment of the U.S. Geological survey would be appreciated in products derived from these data.
  1. Who distributes the data set? (Distributor 1 of 1)
    U.S. Geological Survey Central Publications Group
    MS 902, Box 25046 DFC
    Lakewood, CO
    USA

    303-236-5486 (voice)
  2. What's the catalog number I need to order this data set?
  3. What legal disclaimers am I supposed to read?
    Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
    Although these data have been used by the U.S. Geological Survey, U.S. Department of the Interior, no warranty expressed or implied is made by the U.S. Geological Survey as to the accuracy of the data.
    The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the U.S. Geological Survey in the use of this data, software, or related materials.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 13-Jun-2016
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse, http://geo-nsdi.er.usgs.gov/
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA
USA

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

This page is <https://geo-nsdi.er.usgs.gov/metadata/map-mf/2404/metadata.faq.html>
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