Fossil mammals and the early Eocene age of the San Jose Formation, San Juan Basin, New Mexico

San Juan Basin IV Pub Date : 1900-01-01 DOI:10.56577/ffc-43.311

S. Lucas, T. Williamson

引用次数: 2

Abstract

- Fossil 111ammals fro111 the San Jose For111ation in the San Juan Basin are the only 111cans by which an age can be assigned to the San Jose Formation. These mam111als indicate an early Eocene (middle Wasatchian, Lysitean) age for the entire San Jose Formation except its basal strata, which have not produced age-diagnostic fossils. Selected, age-diagnostic fossil 111am111als from the San Jose Formation are illustrated here.

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哺乳动物化石与新墨西哥州圣胡安盆地圣何塞组始新世早期

圣胡安盆地圣何塞组的哺乳动物化石是唯一可以确定圣何塞组年龄的化石。这些mam111al表明整个圣何塞组的年龄为始新世早期(中Wasatchian, Lysitean)，除了其基底地层，没有产生年龄诊断化石。从圣何塞组中选出的年龄诊断化石如下图所示。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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San Juan Basin IV

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