'Snowball earth' presentation slideshows

3.41k views • 341 slides

Welcome to . . .

Welcome to. Presented by Rod Benson Earth Science Teacher Helena High School. Confused about ice ages?. 1. The Little Ice Age?. Confused about Ice Ages?. Wisconsinan Ice Age?. Milankovitch Cycles?. Snowball Earth?. 4 days at Helena High. Glaciers presentation . . .the basics

701 views • 55 slides

632 views • 55 slides

Welcome to . . .

Welcome to. Presented by Rod Benson Earth Science Teacher Helena High School. Confused about ice ages?. 1. The Little Ice Age?. Confused about Ice Ages?. Wisconsinan Ice Age?. Milankovitch Cycles?. Snowball Earth?. 4 days at Helena High. Glaciers presentation . . .the basics

557 views • 55 slides

History of the Earth Jeopardy

622 views • 53 slides

Snowball Earth

Snowball Earth. Presented by Mindi Purdy and Jen Ulrich. Theory of Snowball Earth. Many lines of evidence support a theory that the entire Earth was ice-covered for long periods 600-700 million years ago.

640 views • 53 slides

Earth Portrait of a Planet Chapter 23 Norton Media Library

Earth Portrait of a Planet Chapter 23 Norton Media Library. Fig. 23.00. (c) DigitalVision/PictureQuest. Fig. 23.01. W. W. Norton. Fig. 23.02. W. W. Norton. Fig. 23.03 a. NASA. Fig. 23.03 b. NASA. Fig. 23.03 c. NASA. Fig. 23.04 a, b. W. W. Norton. Fig. 23.04 c. W. W. Norton.

583 views • 47 slides

Snowball Earth

Snowball Earth. Presented by Mindi Purdy and Jen Ulrich. Theory of Snowball Earth. Many lines of evidence support a theory that the entire Earth was ice-covered for long periods 600-700 million years ago.

552 views • 39 slides

Goals for this section

353 views • 29 slides

ASTR/GEOL-2040: Search for life in the Universe: Lecture 14

830 views • 26 slides

Proterozoic

Proterozoic. Neoproterozoic 1 -0.545 bybp Mesoproterozoic 1.6-1 by Paleoproterozoic 2.5- 1.6bybp. How is the Proterozoic different from the Archean?.

502 views • 18 slides

Overview of the biology of extreme events Vincent P Gutschick

Overview of the biology of extreme events Vincent P Gutschick Global Change Consulting Consortium Las Cruces, NM vince.gutschick@gmail.com ) Hormoz BassiriRad Biological Sciences, University of Illinois Chicago, IL hormoz@uic.edu 2008 Fall Meeting American Geophysical Union

272 views • 16 slides

Overview of the biology of extreme events Vincent P Gutschick

Overview of the biology of extreme events Vincent P Gutschick Global Change Consulting Consortium Las Cruces, NM vince.gutschick@gmail.com ) Hormoz BassiriRad Biological Sciences, University of Illinois Chicago, IL hormoz@uic.edu 2008 Fall Meeting American Geophysical Union

253 views • 16 slides

Overview of the biology of extreme events Vincent P Gutschick

Overview of the biology of extreme events Vincent P Gutschick Global Change Consulting Consortium Las Cruces, NM vince.gutschick@gmail.com ) Hormoz BassiriRad Biological Sciences, University of Illinois Chicago, IL hormoz@uic.edu 2008 Fall Meeting American Geophysical Union

166 views • 16 slides

Snowball Earth

Snowball Earth. Snow Ball Earth between 750 and 600 million years ago. 2 Billion years ago O2 began forming in the atmosphere. CO2 has been a driver of Climate for Millions of years. (phanerozoic 550 Mya to present) There have been large ice sheets during the Phanerozoic ~300 Mya

381 views • 12 slides

Snowball Earth vs. Slushball Earth. .

Snowball Earth vs. Slushball Earth. Early Evidence. In 1960s, studies showed that significant glacial deposits of age 600-800 million years are on nearly every continent 1970s: When sediments form magnetic minerals point

147 views • 9 slides

Proterozoic

342 views • 5 slides