Abstract
Although best known as a deposit rich in silica and organic matter, the Miocene Monterey Formation actually had long-term rates of silica and organic Matter accumulation equal to or lower than values in the underlying and overlying detritus-rich formations in the Santa Barbara coastal area. The factor Mainly influencing the composition of the Monterey Formation in this area was the slow accumulation of terrigenous debris. In contrast, with greater than average silica abundance within the Monterey Formation probably resulted from rapid short-term silica accumulation (of hundreds to tens of thousands years duration) rather than from especially slow accumulation of diluting debris.
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Isaacs, C.M. Abundance versus rates of accumulation in fine-grained strata of the Miocene Santa Barbara Basin, California. Geo-Marine Letters 5, 25–30 (1985). https://doi.org/10.1007/BF02629793
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DOI: https://doi.org/10.1007/BF02629793