'6 ga' presentation slideshows

Tectonics and climate of the Precambrian

684 views • 34 slides

Formation of Our Solar System

Formation of Our Solar System. By the Lunar and Planetary Institute For Use in Teacher Workshops. Image: Lunar and Planetary Laboratory: http://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=178. Some data to explain: 1. Planets isolated 2. Orbits ~circular / in ~same plane

323 views • 31 slides

Formation of Our Solar System

Formation of Our Solar System. By the Lunar and Planetary Institute For Use in Teacher Workshops. Image: Lunar and Planetary Laboratory. Some data to explain: 1. Planets isolated 2. Orbits ~circular / in ~same plane

317 views • 31 slides

Hadean to Archean Some Hell-on-Earth Norman H. Sleep

Hadean to Archean Some Hell-on-Earth Norman H. Sleep. Sequence of events. Moon-forming impact Prior status? Bad aftermath Earth starts hot Clement by start of Archean. Moon-forming impact. ~4.5 Ga Earth vapourized ~1 ka Internal hot and tidal greenhouse ~10 Ma

361 views • 23 slides

Proterozoic Geology of Minnesota 2.5-0.6 Ga

Proterozoic Geology of Minnesota 2.5-0.6 Ga. Jim Miller University of Minnesota Duluth. The Geologic Record in Minnesota. Paleoproterozoic The Penokean Orogen 1.9-1.8 Ga Making Laurentia.

404 views • 16 slides