For terms beginning with other letters, please click below A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Wadi A stream bed, often in a steep-sided valley, in an arid region that is dry except during the rainy season. The photo is from Wadi Degla in Northern Egypt. Warping A slight bend, uplift or subsidence of Earth's crust on a regional scale.
Botswana Bordering Countries: Namibia, South Africa, Zimbabwe Regional Maps: Map of Africa, World Map Where is Botswana? Botswana Satellite Image Botswana Information: Botswana is located in southern Africa. Botswana is bordered by Namibia to the north and west, Zimbabwe to the east, and South Africa to the south.
A toxic mercury sulfide mineral. The primary ore of mercury, once used as a pigment. Article by: Hobart M. King, Ph.D., RPG Cinnabar: Massive cinnabar showing its characteristic red color and dull luster. Some contamination by clay. Photograph by H. Zell, used here under a GNU Free Documentation License.
Natural resource demand, environmental issues, retirements and low enrollments support geologists. Article by: Hobart M. King, Ph.D., RPG Geologist salary graph: Graph of average annual salaries of geologists in the petroleum industry as published by the American Association of Petroleum Geologists as part of the AAPG Annual Salary Survey.
A map showing the generalized location of Earth's ten largest deserts and a table of over 20 major deserts. World desert map: This map shows the generalized location of Earth's ten largest deserts on the basis of surface area. The table at the bottom of this page provides the names, generalized locations, and surface areas of over twenty major deserts.
By Richard W. Hazlett and Donald W. Hyndman Learn about the Geology of Hawai'i with maps, photos and expert descriptions! This 6"x9" paperback has 317 pages that are packed with detailed information about Hawai'i Geology. See table of contents below. Roadside Geology of Hawai'i Table of Contents I. Geology in the Hawaiian Islands 1 Of Time and the Hot Spot 1 The Mantle and the Crust 5 Lithosphere and Asthenosphere 5 Molten Rock 7 Shield Volcanoes 11 Dying Volvanoes 13 Xenoliths 17 Rift Zones 17 Pyroclastic Cones 18 Craters 22 Lava Surfaces 24 Lava Channels and Tubes 28 Age Dating 30 Sinking Islands 31 Island Collapse 33 Soils 36 Fluted Cliffs and Amphitheater Valleys 38 Drowned Valleys and Tsunami 39 Wind, Waves, and Beaches 41 Coral Reefs and Sand Dunes 45 II.