Category: Geology

What is the name for the calcite formations that grow from the floor?

stalagmitestalactite is formed. If the water that drops to the floor of the cave still has some dissolved calcite in it, it can deposit more dissolved calcite there, forming a stalagmite. Speleothems form at varying rates as calcite crystals build up. What is the name for the calcite formations that hang from the ceilings? Stalagmites

What forms Continental and valley glaciers?

While both are formed by accumulated snow compressed into ice by its own weight, alpine glaciers form in mountains while continental glaciers form closer to sea level in cold climates. What forms continental glaciers? The formation of continental glaciers occurs in places where there is much of snowfall compared to the rest. After falling, the

What would a 10.0 earthquake do?

A magnitude 10 quake would likely cause ground motions for up to an hour, with tsunami hitting while the shaking was still going on, according to the research. Tsunami would continue for several days, causing damage to several Pacific Rim nations. Is it possible for a 10.0 earthquake? No, earthquakes of magnitude 10 or larger

What are the description of a volcano?

A volcano is defined as an opening in the Earth’s crust through which lava, ash, and gases erupt. The term also includes the cone-shaped landform built by repeated eruptions over time. What words describe a volcano? Volcanos – thesaurus active. adjective. an active volcano is likely to erupt (=explode and pour out fire) at any

What are reverse faults caused by?

Compressional stress, meaning rocks pushing into each other, creates a reverse fault. In this type of fault, the hanging wall and footwall are pushed together, and the hanging wall moves upward along the fault relative to the footwall. Which is a strike-slip fault? Strike-slip faults are vertical (or nearly vertical) fractures where the blocks have

What are the properties of granite?

Granite is endowed with all the desirable properties required to use it as a dimension stone. It is hard and durable enough to resist abrasion and bear significant weight. It is also considerably inert in nature and can be polished to achieve a brilliant finish. What are some properties of granite? Granite is hard enough

How does Kilauea affect atmosphere?

However, the Kilauea Volcano and other volcanic features at the park emit noxious gases that can pose serious human and ecosystem health concerns. Kilauea’s nearly continuous eruption emits sulfur dioxide (SO2) gas and results in volcanic air pollution downwind of the volcano. How did Kilauea affect the climate? Images from USGS. The lava flowing out

What kind of rock does volcanic ash make?

Volcanic ash typically consists of tiny particles composed of varying proportions of: Volcanic glass. Minerals or crystals. Other rock fragments.…Typical minerals by magma composition. Magma composition Minerals typically present Rhyolite Quartz, feldspar, +/-mica, +/-orthopyroxene,+/-amphibole What rock does volcanic ash make? Tuff is a type of rock made of volcanic ash ejected from a vent during

What causes tephra?

Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism. What causes tephra fall? The tephra fall deaths apparently resulted from crushing by collapsing roofs and asphyxiation. Many of the other deaths were due to a later pyroclastic surge and noxious gases associated with the tephra. Where is

What type of volcano is Anahim volcanic belt?

felsic shield volcanofelsic shield volcano complexes of the Anahim Volcanic Belt in central British Columbia, is capped by a large number of basaltic cinder cones of Pliocene to latest Pleistocene age. The highly dissected complex covers an area of 300 km2. What is the source of volcanism in Anahim Volcanic Belt? The Anahim hotspot The

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