United States Geological Survey (USGS)
2010
Onshore and Offshore Geologic Map of the Coal Oil Point Area,
Southern California
Vector
https://pubs.usgs.gov/sim/3124/
https://pubs.usgs.gov/sim/3124/
Peter Dartnell
James Conrad
Richard Stanley
Guy Cochrane
2010
Onshore and Offshore Geologic Map of the Coal Oil Point Area,
Southern California
1.0
Data Series
3124
Western Coastal and Marine
Geology, Menlo Park, CA
U.S. Geological Survey, Coastal and Marine Geology
Program
https://pubs.usgs.gov/sim/3124/
This report presents a digital geologic map of merged onshore
and offshore geology near the Coal Oil Point area in the
northern Santa Barbara Channel, southern California at a
compilation scale of 1:24,000 (one inch on the map to 2,000 feet
on the ground). The map depicts the distribution of bedrock units,
surficial deposits, and associated deformation underlying
onshore and offshore regions. The report also presents ESRI
shapefile format data including geologic polygons, contacts,
folds, and point features used to create the seamless
onshore-offshore geologic map.
These data are intended for science researchers, students,
policy makers, and the general public. The data can be used with
geographic information systems (GIS) or other software to
display the geologic information and the merged topography and bathymetry digital terrain
model.
Information for the related USGS Coastal and Marine Geology
data collection field activity, Z-2-06-SC, is online at
<http://walrus.wr.usgs.gov/infobank/z/z206sc/html/z-2-06-sc.meta.html>
2006
2010
ground condition
As needed
-120.0000000
-119.5000000
34.50000000
34.25000000
General
Marine Geology
Multibeam
Onshore-Offshore Geology
Seamless Geology
Geologic contacts
Geology
Ocean Floor Topography
U.S. Geological Survey
USGS
Coastal and Marine Geology Program
CMGP
ISO 19115 Topic Category
geology
bathymetry
imageryBaseMapsEarthCover
Geographic Names Information System (GNIS)
Santa Barbara
Coal Oil Pint
CA
California
USA
None
Please recognize the U.S. Geological Survey (USGS)
Jamie Conrad
U.S. Geological Survey,
Coastal and Marine Geology
Geologist
mailing and physical address
345 Middlefield Rd MS-999
Menlo Park
CA
94025-3561
USA
(650) 329-5402
(650) 329-5411
jconrad@usgs.gov
none
none
none
Unspecified
Complete
Heads up screen digitization of geologic point features was
done over geo-referenced imagery at 1:24,000 scale. Offshore
point features were merged with onshore point features from Minor et
al., 2009
Minor, S.A.
Kellogg, K.S.
Stanley, R.G.
Gurrola, L.D.
Keller, E.A.
Brandt, T.R.
2009
Geologic map of the Santa Barbara coastal
plain area, Santa Barbara County, California
U.S. Geological Survey Scientific Investigations Map
3001
scale 1:24,000, online at:
http://pubs.er.usgs.gov/usgspubs/sim/sim3001
24000
online
2009
publication date
SIM-09-3001
provided initial contact features on a geologic map
Offshore geology was mapped by interpreting multibeam
bathymetry and acoustic backscatter data, seismic profiles,
sea floor photographs, and sediment samples. Heads up screen
digitization of geologic polygons, geologic contacts, and
folds was done over geo-referenced imagery at 1:24,000 scale
in Adobe Illustrator software. The Illustrator map was
imported into a GIS (Arcmap) and merged with onshore geologic
polygons, contacts, and folds from Minor et al., 2009,
available at http://pubs.er.usgs.gov/usgspubs/sim/sim3001. The onshore geology was reprojected
to UTM, zone 11, NAD83 projection to match the offshore
geology. Overlapping polygons along the coast, mainly beach
deposits (QB), were cleaned.
2009
Peter Dartnell
U.S. Geological Survey,
Coastal and Marine Geology
Physical Scientist
mailing and physical address
345 Middlefield Rd MS-999
Menlo Park
CA
94025-3561
USA
(650) 329-5460
(650) 329-5411
pdartnell@usgs.gov
Point
Label point
Universal Transverse Mercator
11
0.9996
-117.00000
0.00000
500000.0
0.00
coordinate pair
10.0
10.0
Meters
NAD83
6378137.00 meters
0.003352811
The data are supplied in ESRI shapefile format.
geopt.shp: Contains points recording site-specific observations
and measurements, such as strike and dip of bedding. In the
sbpnt.pat INFO file, the PTTYPE item lists the type of point
symbol, e.g., strike and dip of inclined bedding. The STRIKE
item contains the strike of bedding as well as trend of fold
axis, where applicable. Strike is an azimuthal angle. Measured
in degrees from 0 to 360 in a clockwise direction from North,
the STRIKE value also specifies the dip direction, where the dip
direction is 90 degrees clockwise relative to the STRIKE. The
DIP item contains the dip of bedding as well as plunge angles,
where applicable. This value is an angle measured (in degrees 0
to 90) down from the horizontal; thus, a horizontal dip is 0
degrees and a vertical dip is 90 degrees.
The DBF structure of the shapefile is listed below:
>
>geopt.dbf:
>
>COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ALTERNATE NAME
> 1 AREA 8 18 F 5
> 9 PERIMETER 8 18 F 5
> 17 SBPNT# 4 5 B -
> 21 SBPNT-ID 4 5 B -
> 25 PTTYPE 100 100 C -
> 125 SYMBOL 3 3 I -
> 128 STRIKE 3 3 I -
> 131 DIP 3 3 I -
> 134 SOURCE 4 4 I -
> 138 SENSCODE 4 4 I -
> 142 SLIPSENS 80 80 C -
> 222 CERTCODE 3 3 I -
> 225 SENCERT 80 80 C -
>
>
>Coding of PTTYPE in the geopt shapefile:
>Arrow showing direction of fold plunge
>Contact attitude - Showing strike and dip
>Fault attitude - Showing strike and dip
>Horizontal bedding
>Inclined bedding - Showing approximate strike and dip
>Inclined bedding - Showing strike and dip
>Inclined bedding - Strike and dip of beds calculated from bedding trace
>Oil seep
>Overturned bedding - Showing strike and dip
>Qas - Asphalt deposits
>Qtc – Travertine and/or caliche deposits
>Slip lineation on a fault - Showing bearing and rake
>Vertical bedding - Showing strike
<http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf>
U.S. Geological Survey,
Information Services
mailing and physical address
345 Middlefield Rd MS-532
Menlo Park
CA
94025-3561
USA
(650) 329-4309
These data not intended for navigational purposes.
Although these data have been used by the
U.S. Geological Survey, U.S. Department of the Interior,
these data and information are provided
with the understanding that they are not guaranteed
to be usable, timely, accurate, or complete.
Users are cautioned to consider carefully
the provisional nature of these data and information
before using them for decisions that concern personal or
public safety or the conduct of business that involves
substantial monetary or operational consequences.
Conclusions drawn from, or actions undertaken
on the basis of, such data and information are
the sole responsibility of the user.
Neither the U.S. Government nor any agency thereof,
nor any of their employees, contractors, or subcontractors,
make any warranty, express or implied,
nor assume any legal liability or responsibility
for the accuracy, completeness, or usefulness
of any data, software, information, apparatus, product, or
process disclosed, nor represent that its use
would not infringe on privately owned rights.
Trade, firm, or product names and other references
to non-USGS products and services are provided
for information only and do not constitute
endorsement or warranty, express or implied,
by the USGS, USDOI, or U.S. Government,
as to their suitability, content, usefulness,
functioning, completeness, or accuracy.
ESRI GRID
9.1
none
None
20100415
Peter Dartnell
U.S. Geological Survey,
Coastal and Marine Geology
Physical Scientist
mailing and physical address
345 Middlefield Rd MS-999
Menlo Park
CA
94025-3561
USA
(650) 329-5460
(650) 329-5411
pdartnell@usgs.gov
Content Standard for Digital Geospatial Metadata
("CSDGM version 2")
FGDC-STD-001-1998
universal time