The Geologic Time Scale depends on two aspects of the dating of the records. First, the sedimentary records that are collected worldwide must be linked together through significant events, such as the ...

Reserachers tackle the hot topic of whether to define a new 'Anthropocene' epoch as a formal unit of the geologic time scale. In the March-April issue of GSA Today, Stanley Finney (California State ...

Jurassic, Pleistocene, Precambrian. The named times in Earth’s history might inspire mental images of dinosaurs, trilobites, or other enigmatic animals unlike anything in our modern world. Labels like ...

Rev. ed. of: A Geologic time scale. 1982. https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!394360~!0#focus ...

Introduction / F.M. Gradstein -- Chronostratigraphy : linking time and rock / F.M. Gradstein, J.G. Ogg and A.G. Smith -- Biostratigraphy : time scales from graphic ...

For almost 30 years, we geologists have been having a debate about what Geologic Epoch we find ourselves in right now. It is presently called the Holocene, but some want to add another epoch and call ...

The Late Holocene Meghalayan Age, newly-ratified as the most recent unit of the Geologic Time Scale, began at the time when agricultural societies around the world experienced an abrupt and critical ...

It's hard to wrap your mind around the concept of 4.5 billion years. For many of us, the Pyramids–built 4,500 years ago, a millionth of that time span–symbolize the distant past. The geological time ...

The CU Museum is closed until January 8, 2026. During this time, collection visits will be available by appointment and other special access requests will be considered on a case-by-case basis. Please ...

This is a preview. Log in through your library . Abstract Global silicate weathering drives long-time-scale fluctuations in atmospheric CO₂. While tectonics, climate, and rock-type influence silicate ...