GEOLOGICAL WONDERS

Lake Powell: A Geological Marvel in the American Southwest

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Lake Powell is one of the largest man-made reservoirs in the United States, located primarily in southern Utah and northern Arizona. Created by the...

Horseshoe Bend: A Majestic Natural Wonder

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Horseshoe Bend is a dramatic, horseshoe-shaped meander of the Colorado River located near the town of Page, Arizona, USA. Situated within the Glen Canyon...

Puy de Dôme, France

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Puy de Dôme is a dormant volcano located in the Massif Central region of France, part of the Chaîne des Puys volcanic chain, which...

gemstoneS

ROCKS

Minerals

ListS

Types of Quartz

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Quartz is one of the Earth's most abundant and versatile minerals. Known for its durability, wide variety of colors, and stunning crystalline structures, quartz...

Types of Jaspers

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Jasper is a variety of chalcedony, which itself is a microcrystalline form of quartz. It is primarily composed of silicon dioxide (SiO2), often with...

The World’s Most Famous Gemstone Collections

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Gemstones have long captivated humanity with their beauty, rarity, and historical significance. Across the globe, some of the world’s most prestigious collections of precious...

ORE MINERALS

Braches of Geology

Sedimentary Structures and Textures

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Sedimentary structures and textures refer to the physical features and arrangements of sedimentary rocks that provide information about the conditions in which they were deposited. These structures and textures can provide important clues about the nature of the depositional environment, the nature of the sediment transport process, and the history of the sedimentary basin. They are used by geologists to interpret the history and evolution of sedimentary deposits. Sedimentary structures can range in scale from millimeters to meters or more, and include features such as bedding planes, cross bedding, ripple marks, mud cracks, and fossils, among others. Sedimentary textures refer to the size, shape, sorting, and arrangement of sediment grains, and can include features such as grain size, shape, and orientation, as well as sorting and packing of the grains within the sedimentary rock.

Hydrothermal deposits

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Hydrothermal deposits are mineral deposits that are formed from the precipitation of minerals dissolved in hot water that circulates through rocks. Hydrothermal fluids are...

Laboratory Tests Soil and Rock Samples

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Laboratory tests on soil and rock samples play a crucial role in geotechnical engineering. They are performed to determine the physical, mechanical, and hydraulic...

GENERAL GEOLOGY CONTENTS

The Ice Age

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The Ice Age, also known as the Pleistocene Epoch, was a period of geological time that lasted from about 2.6 million years ago to...
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