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The AAPG/Datapages Combined Publications Database

GCAGS Transactions


Gulf Coast Association of Geological Societies Transactions
Vol. 19 (1969), Pages 171-174

The Upper Sediment Column of the Gulf of Mexico Presented in a New Type of Map

Arnold H. Bouma, William E. Sweet, Jr.


Many types of investigations actually require information about the lithology and lithological variations of the upper sediment column instead of only the surface sediment characteristics.

Selected cores from the Gulf of Mexico are each presented as a lithological model. A chart symbol is used to indicate gross lithology. A numerical code has been developed which expresses lithological percentages and indicates by positional notation vertical succession or intercalation of facies.

For one area a number of cores are compared to demonstrate the validity of the developed technique and to show ratio changes. All results are shown in black and white shadings, symbols and numbers.

This new type of sediment distribution map is of value in studies of sediment transport and deposition, basin filling, geotechnical properties, sea lab preparation, salvaging of sunken objects, acoustical measurements, interpretation of shallow continuous reflection seismic profiling, etc.

The sediment thickness represented on this new map is limited to the depth of penetration of the coring devices.

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