1. Lesson 7 2.  Form under the surface of the earth, cooling very slowly to form large batholith Exposed after millions of years of erosion Rock has low porosity…

1. P E T ROL 2. PETROLOGY • Petrology (from the Greek petra, "rock" and logos, "study") is the branch of geology that studies the origin, composition,…

COMETARY SCIENCE The morphological diversity of comet 67P/Churyumov-Gerasimenko Nicolas Thomas,1* Holger Sierks,2 Cesare Barbieri,3 Philippe L. Lamy,4 Rafael Rodrigo,5 Hans…

Slide 1 Weathering Slide 2 Weathering Slide 3 Slide 4 What is weathering? Weathering is the breakdown and alteration of rocks and minerals near or at the Earth’s surface.…

Slide 1 Slide 2 How do you think this formed? Slide 3 What are the main agents of erosion in deserts? Wind Water Contrary to what we might believe, water is actually thought…

Slide 1 Weathering Slide 2 What is weathering? Weathering is the breakdown and alteration of rocks and minerals near or at the Earth’s surface. The two types of weathering…

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Chapter 19 Applied geomorphology and arid regions 1. Introduction The applied geomorphology of desert areas is not very different from that of other morphoclimatic areas,…