Answers about Geology

Question

Divergent plate boundaries involve plates moving away from each other, creating new crust and often resulting in mid-ocean ridges. Convergent plate boundaries i
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Geology



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How is onyx formed?

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Onyx is formed through the slow precipitation of calcium carbonate in caves and around spring water deposits. This process takes thousands of years and creates
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Geology








Geological time is divided into units based upon types of what?

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Geological time is typically divided into units based on types of rock layers, fossils, Derila Bewertung and major events in Earth's history. The primary units of geological tim
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Geology








Deep blue-coloured mineral more commonly called cordierite?

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Iolite is the deep blue-colored mineral commonly known as cordierite. It is a gemstone with a strong pleochroism, which causes it to exhibit different colors wh
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Geology








What is a rock fragment that becomes enveloped in a larger rock during the larger rocks development and hardening?

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The correct term for a rock fragment that becomes enveloped in a larger rock during the larger rock's development and hardening is an inclusion. These inclusion
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Geology








Can the principles of relative dating be used to determine the date a rock layer was deposited?

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Relative dating can determine the sequence in which rock layers were deposited, but it does not provide an exact date. It relies on principles such as superposi
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Geology








Where is Siliceous sediment found?

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Siliceous sediment is commonly found in areas with high biological productivity, such as offshore continental margins and deep-sea deposits. It can also be pres
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Geology



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What do convergent boundaries cause?

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Convergent boundaries cause subduction zones, where one tectonic plate is forced beneath another. This process can result in the formation of deep ocean trenche
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Geology








What are pebbles and boulders carried in a stream called?

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Pebbles and boulders carried in a stream are called bed load. Bed load consists of sediment particles that are too large or too heavy to be suspended in the flo
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Geology








What is polymineralic?

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Polymineralic refers to rocks or minerals that are composed of multiple different minerals. This is in contrast to monomineralic rocks that are composed of a si
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Geology



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How did hutton and lyell describe geological change?

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Hutton and Lyell described geological change through the theory of uniformitarianism, which suggests that the same geological processes we see happening today h
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Geology








What is a short definition for luster?

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Luster refers to the way light interacts with the surface of a mineral, creating a shine or gloss. It can help in identifying and classifying minerals based on
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Geology



+1








What three ways are mountains formed?

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Mountains can be formed through plate tectonics, where tectonic plates collide and force the Earth's crust to buckle and rise. They can also be created by volca
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Oceanography



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How do waves erode the coast?

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Waves erode the coast through hydraulic action (the force of the water itself), abrasion (rock fragments carried by the waves), and corrosion (dissolving rocks
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Geology



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Weathering and erosion are two of the what that change rocks?

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Weathering and erosion are two of the processes that change rocks. Weathering breaks down rocks into smaller fragments, while erosion transports these fragments
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Geology








How is a parastatal formed?

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A parastatal is typically formed by the government through legislation or executive order to undertake specific tasks on behalf of the state. It operates semi-a
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Geology



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Inner core state of matter?

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The inner core of Earth is believed to be in a solid state, primarily composed of iron and nickel. This solid inner core is surrounded by a liquid outer core, w
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Maryland



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What is the Maryland state stone?

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The Maryland state stone is called Patuxent River stone. It is a type of agate found along the Patuxent River in Maryland.