What is weathering and soil formation?
GeologyWeathering describes the means by which soil, rocks and minerals are changed by physical and chemical processes into other soil components. The means by which soil, rocks and minerals are changed by physical and chemical processes into other soil components. Weathering is an integral part of soil development. What is the difference between weathering and
What happened in the Palaeozoic era?
GeologyPaleozoic Era, also spelled Palaeozoic, major interval of geologic time that began 541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history. What happened to life during the Paleozoic Era? The Paleozoic began
What are earth science concepts?
GeologyEarth sciences are the fields of study concerned with the solid Earth, its waters, and the air that envelops it. They include the geologic, hydrologic, and atmospheric sciences with the broad aim of understanding Earth’s present features and past evolution and using this knowledge to benefit humankind. What are the 5 major branches of Earth
What is the composition of water on Earth?
GeologyThe total volume of water on Earth is estimated at 1.386 billion km³ (333 million cubic miles), with 97.5% being salt water and 2.5% being fresh water. Of the fresh water, only 0.3% is in liquid form on the surface. Is the Earth made of 75% of water? Viewed from space, one of the most
Did San Leandro just have an earthquake?
GeologyWas there an earthquake right now in San Leandro? today: 2.1 in Hayward, California, United States. Was there an earthquake in Alameda just now? today: 2.3 in East Foothills, California, United States. this week: 3.6 in Corralitos, California, United States. this month: 4.1 in Soledad, California, United States. Was there an earthquake in San Leandro
What was California’s last earthquake?
GeologyA magnitude 7.1 earthquake struck 10.5 miles north-northwest of Ridgecrest in the Mojave Desert on Friday, July 5, 2019, at 8:19 p.m., on the heels of a magnitude 6.4 earthquake that struck about 7.5 miles southwest of the Searles Valley in the Mojave Desert on Thursday, July 4, 2019, at 10:33 a.m. How many earthquakes
How many plates are in the lithosphere?
GeologyThe lithosphere is divided into huge slabs called tectonic plates. There are eight major plates and several smaller plates, including the North American, Caribbean, South American, Scotia, Antarctic, Eurasian, Arabian, African, Indian, Philippine, Australian, Pacific, Juan de Fuca, Cocos, and Nazca plates. What are the 4 lithospheric plates? eurasian. these 4 lithospheric plates form the
What is hydrothermal fluid?
GeologyHydrothermal fluids are natural heated water solutions wherein variety of elements, compounds and gases may be dissolved. They are generated by diverse crustal and mantle geological processes including basinal fluid interaction, magmatic differentiation and mantle degassing. Where do hydrothermal fluids come from? Hydrothermal fluid forms as seawater are modified through interactions with heat and the
What does a continental rise look like?
GeologyA continental rise is a wide, gentle incline from a deep ocean plain (abyssal plain) to a continental slope. A continental rise consists mainly of silts, mud, and sand, deposited by turbidity flows, and can extend for several hundreds of miles away from continental margins. What happens at the continental rise? The continental rise is
What is basalt rock dust?
GeologyBasalt Rock Dust is an all natural soil amendment that is made from ground up volcanic rocks. Basalt is comprised of Igneous rock that is found in many places around the world. Since basalt will break down easily in soils, it is a good choice for re-mineralizing flowerbeds and gardens. How do you use basalt