| Identifier | 1981-015-FA | ||||||||
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| Alternate names | 81-LH-1; LONGHORN-81-USGS1 | ||||||||
| Purpose | Obtain seismic reflection data in the Florida Straits and the Florida Shelf; photograph the Miocene(?) ledge to confirm the existence of mineral deposits. | ||||||||
| Location | Florida Straits, West Florida shelf, Florida, Gulf of Mexico, United States, North America, North Atlantic; | ||||||||
| Summary | Sidescan: 550 km; Minisparker: 1603 km; 3.5 kHz: 608 km; Core (rotary drill): 1; Diver samples: 3; Camera stations: 3. | ||||||||
| Info derived | Grain size analysis; Sea floor map; Morphology; | ||||||||
| Comments | Original Center People field contained: USGS-Corpus Christi: Chuck Holmes - Ch. Sci., Ronald Miller, Jack Kindinger, Paul Schoeder, James McFarlen; USGS-Woods Hole: Peter Johnson. Project = West Florida Shelf, West Florida Shelf | ||||||||
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| Itinerary |
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| Bounds |
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| Organization |
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
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| Principal investigators | Johnson, Peter | ||||||||
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| Affiliate principal | Chuck Holmes - USGS-Corpus Christi, TX | ||||||||
| Affiliate staff | Paul Schoeder |
| Data category: | Sonar, Seismics, Location-Elevation |
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| Data type: | Sidescan, Sub Bottom Profiler, Navigation |
| Name | Description |
|---|---|
| Cruise report | Brief chief scientist's cruise report including personnel list, equipment and a tabulation of information. |
| Equipment | Usage description | Data types | Datasets |
|---|---|---|---|
| Klein 531 sidescan | Sidescan | 1 | |
| ORE 140 transceiver/1036 transducer sub-bottom profiler | Sub Bottom Profiler | 1 | |
| Del Norte, transponder net | Navigation | (no data reported) | |
| Loran-C | Navigation | 2 |
| Dataset name | Equipment | Description | Dataset contact |
|---|---|---|---|
| 1981-015-FA-SO-001 | Klein 531 sidescan | analog tape of seismic data | Nancy K. Soderberg |
| 1981-015-FA-SE-001 | ORE 140 transceiver/1036 transducer sub-bottom profiler | analog tape of seismic data | Nancy K. Soderberg |
| 1981-015-FA-LN-001 | Loran-C | LONGHORN 81-1 Track Map (pdf file) West Florida Shelf composite track map including GYRE 81-8 (FA 81012), May 15-20, 1981; LONGHORN 81-1 (FA 81015), May 27-June 9, 1981; SEA ANGEL (no FA #), Aug 10?-29?, 1981; and BELLOWS (FA 82014), May 24-June 6, 1982. | Nancy K. Soderberg |
| 1981-015-FA-LN-002 | Loran-C | Digital tapes of NV and NV-NSTAR data: inv. # 1061, 1110, 1129, 2292, and 2542 thru 2547. | Nancy K. Soderberg |
