Multifractal patterns across deep time: What measurement density reveals about Earth's history

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...
Purdue University

Geologic Time Scale

What are some events that all of us have had in our lives? Ask the class "What are some events that all of us have had in our lives?" Make a list of 5 or 6 things on the board. Let’s organize these!
insider.si.edu

A geologic time scale 2004 / edited by Felix M. Gradstein, James G. Ogg, and Alan G. Smith

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

USGS and AASG Unveil A Geologic Time Scale and Color Scheme for Use in Creating Geologic Maps

Reston, VA – The U.S. Geological Survey (USGS) and the Association of American State Geologists (AASG) announced that they have developed an updated geologic time scale and color scheme for use in ...

Earth’s Geological Record Is Missing 1 Billion Years. Scientists Just Found Out Where They Went.

There's a billion-year gap in Earth's geological history. A new study seeks to explain the mystery.
New Hampshire Public Radio

Outside/Inbox: How do historians decide how to categorize chunks of time?

Every other Friday, the Outside/In team answers a listener question about the natural world. This week’s question comes from Emily in Washington, DC. Crawford Lake in Milton, Ontario. The answer to ...