Recent marine sediments of Carmel Bay, California

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Author
Carter, Lee Scott
Date
1971-12Advisor
Andrews, R.S.
Second Reader
Roberts, Charles K.
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Show full item recordAbstract
Fifty-six sediment samples were collected within Carmel
Bay for textural analysis to determine their statistical
properties. The sediments found within the Carmel Submarine
Canyon consist, for the most part, of poorly to very poorly
sorted very fine sand and coarse silt. The shelf area surrounding
the canyon is primarily comprised of moderately to
very poorly sorted sand, with a small area of very poorly
sorted gravel in the northeastern section of the Bay. Consideration
of textural parameters such as mean size, standard
deviation, and skewness suggest that the sediments of the Bay
are under the influence of a dynamic sediment transport mechanism.
The Bay appears to be a sedimentary system primarily
isolated from adjacent coastal sediment sources, with the
major sources of sedimentary deposits being terrigeneous debris
from the Carmel River, erosion and weathering of the local
coastline and offshore rocks by wave and weather, and the shells
and tests of numerous calcareous marine organisms. Movement
of sediments by slumping and gravity sliding down the Carmel
Submarine Canyon appears to be the only form of sediment
removal within the Bay.
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