Borehole Seismic Data
IODP logging contractor: USIO/LDEO
Hole: U1386C
Expedition: 339
Location: Gulf of Cadiz
Latitude: 36° 49.6773' N
Longitude: 7° 45.3165' W
Logging date: December 7, 2011
Sea floor depth (driller's): 573.2 m DRF
Sea floor depth (logger's): 573 m WRF
Total penetration: 1098 m DRF (526 m DSF)
Total core recovered: 58 % of cored section in hole C (99% in Hole A and 91% in Hole B)
Oldest sediment recovered: Late Miocene
Lithology: Calcareous silty mud, sandy silt and silty sand coarse sand.
TOOL USED: VSI (Versatile
Seismic Imager)
The logging data
was recorded by Schlumberger in LDF format. All processing, including first
arrival picking and stacking, was performed by Schlumberger during
Expedition 339. The data was then
converted into SEGY format at USIO/LDEO, using code developed in house.
Stacks are
generally calculated with at least nine good traces.
All the data in
the SEGY files are sorted shot by shot (i.e. chronologically).
Additional
information about the drilling and logging operations can be found in the
Operations and Downhole Measurements sections of the expedition report,
Proceedings of the Integrated Drilling Program, Expedition 339 .
For further questions about the logs, please contact:
Gilles Guerin
Phone: 845-365-8671
Fax: 845-365-3182
E-mail: Gilles Guerin
Cristina Broglia
Phone: 845-365-8343
Fax: 845-365-3182
E-mail: Cristina Broglia