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Preliminary Analysis Of Cores From North San Francisco Bay, California

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GCC-3A Analyses

Field Descriptions of GCC-3A
Core ID Length (m) Latitude Longitude Setting Description
GCC3A 1.68 38� 05' 46.355 122� 03' 24.494 Suisun Channel East Pieces of wood in core catcher, top of core barrel clean (no mud), shells at surface, small shells dispersed at depth on lower sections.  Gray-green mud (with silt?).

X-radiograph (0-180 cm)

Click on the above link to view x-ray scans for GCC-3A.

Magnetic Susceptibility and X-ray Descriptions

Combined graph showing oscillating magnetic values between 10 and 35 for the entire core. Magnetic values reach a peak of 55 in the upper 5 cm.

Click image for a larger version (53 kb JPEG)

 

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http://geopubs.wr.usgs.gov/open-file/of03-111/Analyses/GCC3A/GCC3A.html
maintained by Carolyn Donlin
last modified 19 February 2003 (lzt)