We have a text-only version of this page. Introduction to Geology | Navigating our Geology Wing (mya = million years ago) Phanerozoic Eon (544 mya to present) Cenozoic Era (65 mya to today) Quaternary (1.8 mya to today) Holocene (11, 000 years to today) Pleistocene (1.8 mya to 11, 000 yrs) Tertiary (65 to 1.8 mya) Pliocene (5 to 1.8 mya) Miocene (23 to 5 mya) Oligocene (38 to 23 mya) Eocene (54 to ...

Version 1.2 VIEW a list of other USGS General Interest Publications This page is URL: http://pubs.usgs.gov/gip/geotime/ Last updated December 11, 2000 Maintained by Eastern Publications Group Web Team ...

Geo-chro-nol-o-gy (1863) 1.the history of the earth 2. the science of determining the ages of earth materials ...decoding the 4.5 billion-year history of our planet and solar system BGC Mission BGC Staff BGC Facilities Publications Reference Desk Support & Donors Site search Web search powered by FreeFind if you cannot open the publications link use this bibliography What's New ***Request ...

Back to Lecture 1 Lecture 2: Unraveling Geological Time Outcrop in Nova Scotia, Canada of the McCoy Brook Formation of Early Jurassic age in which a dinosaur skeleton was found (box) Reconstruction by O. C. Marsh of type of dinosaur (Anchisaurus sp.) found on left. I. You find a dinosaur: How do you know how it got there, its age, and relation in time to any thing else You could make up stories.

The Site of the geochronological labs, University of Vienna, Austria ...