20260821
08122400
1.0
ISO 19139 Metadata Implementation Specification
FALSE
Vibracores
-88.462000
-87.086632
29.401000
30.545800
1
002
Geographic
GCS_WGS_1984
Angular Unit: Degree (0.017453)
<GeographicCoordinateSystem xsi:type='typens:GeographicCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.8'><WKT>GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433],AUTHORITY["EPSG",4326]]</WKT><XOrigin>-400</XOrigin><YOrigin>-400</YOrigin><XYScale>1111948722.2222221</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>8.983152841195215e-09</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><LeftLongitude>-180</LeftLongitude><WKID>4326</WKID><LatestWKID>4326</LatestWKID></GeographicCoordinateSystem>
20260821
11150800
20260821
11150800
150000000
5000
ISO19139
Vibracores
Feature Class
1001
Describes the location of vibracores and gravity cores collected in coastal Alabama waters
GSA
OBJECTID
FID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Geometry
0
0
0
Feature geometry.
Esri
Coordinates defining the features.
CoreID
Core ID
String
254
0
0
Core ID as indicated by the study
GSA
Core ID as indicated by the study
X_Coord
X Coordinate
Double
8
0
0
X coordinate of sample/observation in original datum/projection
GSA
X coordinate of sample/observation in original datum/projection
Y_Coord
Y Coordinate
Double
8
0
0
Y coordinate of sample/observation in original datum/projection
GSA
Y coordinate of sample/observation in original datum/projection
CoordSyste
Coordinate System
String
254
0
0
Original horizontal datum and units (meters, feet, etc.) used during data acquisition
GSA
Original horizontal datum and units (meters, feet, etc.) used during data acquisition
CoreType
Core Type
String
254
0
0
Type of core collected i.e. vibracore or gravity core
GSA
Type of core collected i.e. vibracore or gravity core
Sampler
Sampler
String
254
0
0
Type of sampling device
GSA
Type of sampling device
Elevation_
Elevation_ft
Double
8
0
0
Measured elevation for site in negative values (feet) in reference to vertical datum used in study
GSA
Measured elevation for site in negative values (feet) in reference to vertical datum used in study
Penetratio
Penetration
Double
8
0
0
Depth of core penetration (positive value)
GSA
Depth of core penetration (positive value)
RecoveredL
Recovered Length
Double
8
0
0
Recovered length of core in feet
GSA
Recovered length of core in feet
PercentRec
Percent Recovered
Double
8
0
0
Percent of core recovered
GSA
Percent of core recovered
AgencyID
AgencyID
String
254
0
0
Name of sponsoring agency (e.g., BOEM, FGS, etc.)
GSA
Name of sponsoring agency (e.g., BOEM, FGS, etc.)
ContactID
Contact ID
String
254
0
0
Company or organization performing the coring (e.g., VIMS, CB&I, etc.)
GSA
Company or organization performing the coring (e.g., VIMS, CB&I, etc.) Note: Exxon did not perform the coring and GSA has been unable to identify the company that conducted the coring.
Latitude_D
Latitude (dd)
Double
8
0
0
Latitude (Y coordinate) of centroid using NAD83 in Decimal Degrees
GSA
Latitude (Y coordinate) of centroid using NAD83 in Decimal Degrees
Longitude_
Longitude (dd)
Double
8
0
0
Longitude (X coordinate) of centroid using NAD83 in Decimal Degrees
GSA
Longitude (X coordinate) of centroid using NAD83 in Decimal Degrees
Comments
Comments
String
254
0
0
Additional comments pertaining to the dataset
GSA
Additional comments pertaining to the dataset
VertDatum
Vertical Datum
String
254
0
0
Vertical datum core sample elevation was collected in
GSA
Vertical datum core sample elevation was collected in
StudyID
Study ID
String
254
0
0
LINK
LINK
String
254
0
0
Weblink to the core log
GSA
Weblink to the core log
GIS Specialist
Geological Survey of Alabama
GIS
205-349-2852
205-349-2861
420 Hackberry Lane
Tuscaloosa
AL
35401
US
gis@gsa.state.al.us
Monday - Friday; 8AM - 5PM CST
ArcGIS Metadata
1.0
GIS Specialist
Geological Survey of Alabama
GIS
205-349-2852
205-349-2861
420 Hackberry Lane
Tuscaloosa
AL
35401
US
gis@gsa.state.al.us
Monday - Friday; 8AM - 5PM CST
File Geodatabase Feature Class
Digital
Geological Survey of Alabama, GIS Specialist, GIS
Vibracores
2026-08-20T00:00:00
GIS Specialist
Geological Survey of Alabama
GIS
205-349-2852
205-349-2861
420 Hackberry Lane
P.O. Box 869999
Tuscaloosa
Alabama
35486
US
gis@gsa.state.al.us
Monday - Friday; 8AM - 5PM CST
Gulf of America
Baldwin
Alabama
Mobile Bay
Gulf of America
Mobile
Baldwin
Alabama
Geological Survey of Alabama (GSA) provides these geographic data "as is." GSA makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. GSA further makes no warranties, either expressed or implied ,as to any other matter whatsoever, including, without limitation, the condition of the product or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers of GSA, no warranty, expressed or implied, is made by GSA regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the GSA have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by GSA.
Geological Survey of Alabama (GSA) provides these geographic data "as is." GSA makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. GSA further makes no warranties, either expressed or implied ,as to any other matter whatsoever, including, without limitation, the condition of the product or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers of GSA, no warranty, expressed or implied, is made by GSA regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the GSA have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by GSA.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Any hardcopies utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, user is obligated to describe the types of modifications performed on the hardcopy map. User specifically agrees not to misrepresent these datasets, nor to imply that changes made were approved by the Geological Survey of Alabama (GSA). The GSA should be acknowledged as the originator of the data. This dataset is to be used as a primary reference source. This is public information and may be interpreted by organizations, agencies, units of government, or others based on needs; however, they are responsible for the appropriate application. Federal, State, or local regulatory bodies are not to reassign to the originators any authority for the decisions they make. Photographic or digital enlargement of these maps to scales greater than those at which they were originally delineated can cause misrepresentation of the data. If enlarged, the data will not yield greater real detail, although it may reveal fine-scale irregularities below the intended resolution of the data. Similarly, where this dataset is used in combination with other data of higher resolution, the resolution of the combined output will be limited by the lower resolution of these data. Digital data files are periodically updated. Files are dated, and users are responsible for obtaining the latest version of the data.</SPAN></P></DIV></DIV></DIV>
Version 6.2 (Build 9200) ; Esri ArcGIS 10.8.0.12790
1
-88.462000
-87.086632
30.545800
29.401000
The data were developed as part of ongoing studies on coastal erosion, the evaluation of nonfuel mineral resources, and the identification of sand resources on the Gulf of America's inner continental shelf suitable for beach nourishment programs.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>This dataset includes point data representing vibracore and foundation borings in the coastal waters and offshore Alabama in the Gulf of America.</SPAN></P></DIV></DIV></DIV>
APTIM, 2022, Supplemental geophysical and geotechnical data Dauphin Island east end beach and dune restoration, Tampa, FL: Aptim Environmental & Infrastructure, 34 p.
Forrest-Vandera, B.M., Larenas, M., and Andrews, J.L., 2011, Dauphin Island coastline restoration: sand search investigation: Boca Raton, Florida: Coastal Planning & Engineering, Inc. prepared for the Town of Dauphin Island, 1003 p.
Hummell Richard L., 1996, Holocene Geologic History of the West Alabama Inner Continental Shelf, Alabama, GSA Circular 189.
Parker, S. J., Davies, D. J., and Smith, W. E., 1993, Geological, economic, and environmental characterization of selected near-term leasable offshore sand deposits and competing onshore sources for beach nourishment: Minerals Management Service Cooperative Agreement No. 14-35-0001-30630, 223 p. + 60 p. appendix
Hummell, R. L., and Smith, W. E., 1995, Geologic and environmental characterization and near-term lease potential of an offshore sand resource site for use in beach nourishment projects on Dauphin Island, Alabama: Minerals Management Service Cooperative Agreement No. 14-35-0001-30725, 165 p. + 28 p. appendix
Hummell, R.L. and Smith, W.E., 1996, Geologic resource delineation and hydrographic characterization of an offshore sand resource site for use in beach nourishment projects on Dauphin Island, Alabama, Minerals Management Service Cooperative Agreement No. 14-35-0001-30781, 169 p. + 38 p. appendix
Hummell, Richard L., 1999, Geological and economic characterization and near-term potential of sand resources of the east Alabama inner continental shelf offshore of Morgan Peninsula, Alabama: Alabama Geological Survey, Open-File Report 99-01: Minerals Management Service Cooperative Agreement No. 1435-01-98-CA-30935, 231 p.
McBride, R. A., 1997, Seafloor morphology, geologic framework, and sedimentary processes of a sand-rich shelf offshore Alabama and northwest Florida: northeastern Gulf of Mexico: Baton Rouge, Louisiana, Louisiana State University, unpublished Ph.D. dissertation, 508 p.
Sawyer, W.B., Vaughan, C., Lavoie, D., Furukawa, Y., Carnaggio, N., Maclean, J., and Populis, E., 2001, Northorn gulf littoral initiative (NGLI), geology and physical properties of marine sediments in the N.E. Gulf of Mexico: Naval Research Laboratory Data Report NRL/MR-MM/7430--01-8548, U.S. Naval Research Laboratory, Washington, D.C., 12 p.
Olsen Associates, Inc., 2001, Gulf Shores, Alabama beach restoration project, sand search investigation: Jacksonville, Florida, Olsen Associates, Inc., submitted to the City of Gulf Shores, Alabama, 22 p. Olsen Associates, Inc., 2006, Orange Beach, Gulf State Park, and Gulf Shores 2006 phase I deep-water sand search: Jacksonville, Florida, Olsen Associates, Inc., submitted to the City of Orange Beach, the Alabama Department of Conservation and Natural Resources, and the City of Gulf Shores, Alabama, 59 p.
Olsen Associates, Inc., 2011 phase II sand search, project borrow site identification: Jacksonville, Florida, Olsen Associates, Inc., submitted to the City of Orange Beach, the Alabama Department of Conservation and Natural Resources, and the City of Gulf Shores, Alabama, 70 p. + 141 p. appendices.
Brande, Scott, 1983, Seismic survey, geological stratigraphy, and dredge spoil studies of Mobile Bay region, Alabama: Birmingham, Alabama, Mississippi-Alabama Sea Grant Consortium, Project No. R/ER-6, Final Report, 48 p. + 32 p. appendices.
Sediment
Beach nourishment
Sand
See Distribution Information
dataset
EPSG
6.14(3.0.1)
1001
Simple
FALSE
1001
TRUE
FALSE
20260821