Reprint of: United States Geological Survey Scientific Investigations Report 2005-5294 By John R. Dyni Morocco Oil Shale Map of oil-shale deposits in Morocco (locations after Bouchta, 1984). Click to enlarge map. Oil-shale deposits have been identified at ten localities in Morocco, the most important of which are Upper Cretaceous marinites, not unlike those of Egypt, Israel, and Jordan.
An extrusive igneous rock with a very high silica content. Article by: Hobart M. King, Ph.D., RPG Rhyolite: A pink specimen of rhyolite with numerous very tiny vugs with some evidence of flow structures. The specimen shown here is about two inches across. Igneous rock composition chart: This chart shows that rhyolite is typically composed of orthoclase, quartz, plagioclase, micas, and amphiboles.
The metamorphic rock composed almost entirely of quartz. Article by: Hobart M. King, Ph.D., RPG Quartzite: A specimen of quartzite showing its conchoidal fracture and granular texture. The specimen shown is about two inches (five centimeters) across. What is Quartzite? Quartzite is a nonfoliated metamorphic rock composed almost entirely of quartz.
By Richard Fortey Written by an award-winning author/paleontologist, this beautiful hardcover book "provides a fascinating introduction to fossils and their use in reconstructing the history of our planet." Revised and updated edition, 256 pages, 8" x 10 1/4". Fossils: The History of Life Table of Contents Preface 5 Buried in the rocks 6 Time and change 28 Rocks and fossils 44 Recognising fossils 62 Reviving fossils 142 Origin of life 158 Extinction and evolution 178 Human evolution 194 Fossil DNA 212 Uses of fossils 222 Making a collection 238 Further Information 250 Glossary 251 Index 252
Article by: Hobart M. King, Ph.D., RPG Old Faithful geyser of Yellowstone National Park blasts water about 150 feet into the air. copyright iStockphoto / Zuki. What is a Geyser? A geyser is a vent in Earth's surface that periodically ejects a column of hot water and steam. Even a small geyser is an amazing phenomenon; however, some geysers have eruptions that blast thousands of gallons of boiling-hot water up to a few hundred feet in the air.
Fiji Bordering Countries: None Regional Maps: Map of Australia, Map of New Zealand, Map of New Caledonia, Map of the Solomon Islands, World Map Where is Fiji? Fiji Information: Fiji is a group of islands located in the South Pacific Ocean. Fiji is north of New Zealand and east of Australia. Explore Fiji Using Google Earth: Google Earth is a free program from Google that allows you to explore satellite images showing the cities and landscapes of Fiji and all of Oceania in fantastic detail.