Structure Contour of the Top of the Middle Miocene Sequence, Gulf Coast

Dates

Publication Date: 2021-06-15
Time Period: 2004
Release Date: 2004

Citation

United States Geological Survey, 2004, Structure Contour of the Top of the Middle Miocene Sequence, Gulf Coast: U.S. Geological Survey data release, https://doi.org/10.5066/P9GRKPQK.

Summary

The structure contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations were associated with the wells data provided by the Louisiana Department of Natural Resources. Because of the proprietary nature of the Tenroc database, no actual data can be shown and only those data points contained in the Louisiana State wells database are included in the control points layer. Contouring was accomplished in Dynamic Graphics, Inc., EarthVision modeling software (v.5) using minimum tension gridding. Three custom programs were used to convert contour lines generated from grids in EarthVision to Arc/Info coverages and then to shapefiles. The data are provided [...]

Summary

The structure contours were created using biostratigraphic data in the Paleo-Data, Inc., Tenroc Regional Geologic Database. The depths of the microfossil locations were associated with the wells data provided by the Louisiana Department of Natural Resources. Because of the proprietary nature of the Tenroc database, no actual data can be shown and only those data points contained in the Louisiana State wells database are included in the control points layer. Contouring was accomplished in Dynamic Graphics, Inc., EarthVision modeling software (v.5) using minimum tension gridding. Three custom programs were used to convert contour lines generated from grids in EarthVision to Arc/Info coverages and then to shapefiles. The data are provided as both lines and polygons (mmtoplg.shp and mmtoppg.shp), and the public wells that penetrate the top of the Middle Miocene (MM) sequence are provided in a point shapefile (mmtopptg.shp). These datasets contain basic data and interpretations developed and compiled by the U.S. Geological Survey's Framework Studies and Assessment of the Gulf Coast Project. Other major sources of data include publicly available information from state agencies as well as publications of the U.S. Geological Survey and other scientific organizations. In cases where company proprietary data were used to produce various derivatives such as contour surfaces, the source is cited but the data are not displayed.

Contacts

Point of Contact :: U.S. Geological Survey - CERSC Data Management Services Project
Process Contact :: U.S. Geological Survey, Central Energy Resources Team, Heather Mitchell (Contractor)
Originator :: United States Geological Survey
Metadata Contact :: U.S. Geological Survey - CERSC Data Management Services Project
Publisher :: U.S. Geological Survey, Central Energy Resources Team
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Central Energy Resources Science Center
USGS Mission Area :: Energy and Minerals

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mmtopg.xml Original FGDC Metadata	View	19.1 KB	application/fgdc+xml
mmtopg.jpg		29.39 KB	image/jpeg

Shapefile: mmtoplg.zip
mmtoplg.dbf		5.98 KB
mmtoplg.prj		167 Bytes
mmtoplg.sbn		3.22 KB
mmtoplg.sbx		388 Bytes
mmtoplg.shp		972.39 KB
mmtoplg.shx		2.46 KB

Shapefile: mmtoppg.zip
mmtoppg.dbf		4.26 KB
mmtoppg.prj		167 Bytes
mmtoppg.sbn		2.16 KB
mmtoppg.sbx		244 Bytes
mmtoppg.shp		1.88 MB
mmtoppg.shx		1.78 KB

Shapefile: mmtopptg.zip
mmtopptg.dbf		2.32 MB
mmtopptg.prj		167 Bytes
mmtopptg.sbn		125.42 KB
mmtopptg.sbx		3.46 KB
mmtopptg.shp		371.4 KB
mmtopptg.shx		106.18 KB

Purpose

The contours portray the estimated subsurface configuration of the top of the Middle Miocene sequence. The datasets were developed primarily to facilitate the synthesis and analysis of various data types required in the assessment of energy resources and to aid in the study and visualization of framework elements and processes. In addition the datasets provide access to the information in an easily usable format for those outside of the USGS.

Structure Contour of the Top of the Middle Miocene Sequence, Gulf Coast

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