Structure and stratigraphy of the western Florida shelf; Part I, Multichannel reflection seismic data
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Abstract
This paper presents a synthesis of multichannel seismic data on the Western Florida shelf (Fig. 1). This work is part of an ongoing regional program conducted by the U.S. Geological Survey in studying the Exclusive Economic Zones of the United States.
The data include 1270 km of 32-fold, common-depth-point (CDP), reflection seismic line obtained with a 3200 m, 64 channel, hydrophone streamer and a 2000 in3 airgun array. The rationale for the line layout was to tie eight key exploration wells among the 14 existing in federal waters prior to 1980 to 4 key wells in Florida. An attempt was also made to connect our survey with that of the University of Texas Institute of Geophysics in the deep Gulf of Mexico basin. A second set of 1500 km of 24-fold CDP data were collected using a 1200 m, 24-channel streamer and a 550 in3 airgun source. This set was intended to tie additional wells, drilled between 1979 and 1983, and to infill our original net. Gravity and magnetic measurements were also made along these lines.
Our subsurface information in federal waters consists of well logs and files released to us initially by the Conservation Division of the U.S. Geological Survey and subsequently by the U.S. Minerals Management Service. Most information from wells in state waters was provided by the Florida Geological Survey.
Table 1 lists wells included in our study and summarizes the types of logs and other information available from each well. Spontaneous potential or gamma ray, resistivity or conductivity, sonic and density logs were generally available. Lithologic information, paleontologic and log picks on stratigraphic units and dip-meter data were also common. Check shot surveys for velocity analysis were available in three wells.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Structure and stratigraphy of the western Florida shelf; Part I, Multichannel reflection seismic data |
| Series title | Open-File Report |
| Series number | 88-439 |
| DOI | 10.3133/ofr88439 |
| Year Published | 1988 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 60 p. |
| Country | United States |
| State | Florida |
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