ABSTRACT
Sixty-one samples were collected and studied for their micro-faunal variations. Foraminifera composed the principal faunal content, although gastropods, pelecypods, echinoid spines, and ostracods were also present. A chart shows the major lithologic features and variations in fossil content. Foraminifera indicate the entire series of sediments within this section of Adams Canyon to be Pliocene in age. The micro-faunal sequence shows that this great thickness of sediments is not due to a repetition of beds. The foraminiferal contact between the upper and lower Pico members and corresponding zonal changes have been located in wells within the Los Angeles basin and Ventura areas.
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