'Little diversity' diaporamas de présentation

Proterozoic

Proterozoic. Part 2 Life and atmosphere. Precambrian. Eoarchean 4.6-3.6 Ga Oldest mineral Oldest rocks Rest of the Archean 3.6-2.5 Ga Building of crust Oldest fossils Proterozoic 2.5-.545 Ga Laurentia Rodinia Passive margins. Oxygen. Archean: only ~1% of current oxygen

583 views • 29 slides

Geochemical Determination of Calcareous Gravel Provenance

Geochemical Determination of Calcareous Gravel Provenance. Elizabeth A. Bell 1 David L. Barbeau, Jr. 2 Eric Tappa 2 Elizabeth Baresch 3. 1 Earth and Space Sciences Dept., UCLA 2 Geological Sciences Dept., U. of South Carolina 3 Pioneer Natural Resources, Dallas, TX. Provenance Studies.

371 views • 22 slides

302 views • 14 slides

580 views • 14 slides

Civil Rights, Black Identity and the Media

Civil Rights, Black Identity and the Media. COM 369 Mass Media and Society Winter 2009 Syllabus. Questions to Keep in Mind. Whose story do we tell? Who decides what stories get told? Who does the telling? Who is the intended audience?. Key Points: Jan. 7. 2009. Ken Stanton, reporter

324 views • 13 slides

Taiga/ boreal forest

Taiga/ boreal forest. Climate. The taiga corresponds with regions of subarctic and cold continental climate Long, severe winters, up to six months Short summers (50 to 100 frost-free days) wide range of temperatures

261 views • 8 slides

The Digital Divide Tori Lind, Robby Ebner , Ann Husfeldt, and Amanda Ziegler

The Digital Divide Tori Lind, Robby Ebner , Ann Husfeldt, and Amanda Ziegler. Introduction

133 views • 1 slides