Finding Fossils: Trilobites and Traces

California encompasses tremendous diversity, and this includes rocks of virtually every age, reflecting a long and dynamic geologic history. I'm fond of all types of rock, but my favorites are shales, sandstones and limestones that preserve evidence of ancient plant and animal life. The older the fossils, the more interesting.

By |2021-06-25T19:21:55-07:00April 8th, 2021|Fabulous Fossils & More|4 Comments

Deep Time and Geologic Time Scales

Geologic time scales, which show a chronological sequence of events that have occurred during Earth’s history, become more or less embedded in the brains of geologists. As for other people – probably not so much. Having a rough idea of this history and familiarity with a few names, however, will be helpful if you like to think about natural history, and especially geology topics...

By |2020-06-18T11:31:38-07:00June 18th, 2020|Our Amazing Earth|8 Comments
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