Category: Geology

How many dives does Alvin make a year?

How many dives does Alvin make each year? 100 dives Alvin, which is supported by funding from the National Science Foundation, is one of only five deep-sea research submersibles in the world. The sub executes about 100 dives per year, and over its life has accounted for more than half of all of the scientific

Where is the largest amethyst cave in the world?

Byron BayByron Bay hinterlands of New South Wales. The underrated tourist attraction is home to the world’s largest amethyst cave, and the world’s biggest (and most beautiful) crystals. Where is the amethyst cave? The Caves and Cliffs location for Amethyst Geode in Minecraft is in the overworld between the coordinates Y=70 and the bedrock layer.

What are zone fossils?

a fossil species that characterizes and is used to delimit a geological zone. Also called: zone fossil. What are zonal fossils? Zonal fossil is a fossil (specie) that is restricted within a locality or rock formation while an index or guide fossil is a fossil (specie) with a wide geographical spread and short stratigraphic interval

How many people died from Kilauea eruption?

Volcanic eruptions Human death toll Volcano Year 400+ Kilauea 1790 353 Mount Merapi 2010 326 Makian 1861 245 Nyiragongo 2002 Has anyone died from the Kilauea eruption? An elderly man has died after falling into Hawaii’s Kilauea Volcano, according to authorities. “A 75-year-old Hilo man died after falling from a closed area within HawaiĘ»i Volcanoes

What are destructive plate boundaries?

What are destructive boundaries? A destructive plate boundary is sometimes called a convergent or tensional plate margin. This occurs when oceanic and continental plates move together. The oceanic plate is forced under the lighter continental plate. Friction causes melting of the oceanic plate and may trigger earthquakes. What happens at destructive plate boundary? At a

What are the 5 mechanical layers of earth?

main mechanical layers. These five layers are the: Lithosphere, Asthenosphere, Mesosphere, Outer Core, and Inner Core. What are the 5 mechanical layers of the Earth and what are their properties? Earth is composed of multiple layers, which can be defined either by composition or by mechanical properties. The crust, mantle, and core are defined by

Do composite volcanoes have high or low viscosity?

The volcanoes form steep cones, rather than rounded shapes, because the magma is viscous. Composite volcano magma is felsic, which means it contains silicate-rich minerals rhyolite, andesite, and dacite. Low-viscosity lava from a shield volcano, such as might be found in Hawaii, flows from fissures and spreads. Do composite volcanoes have high viscosity? Composite volcanoes

How do you pronounce the capital of Saskatchewan?

How do people from Saskatchewan pronounce Saskatchewan? Quote from video:Provinz auf kanada. How do you pronounce Elizabeth Regina? Break ‘regina’ down into sounds: [RI] + [JY] + [NUH] – say it out loud and exaggerate the sounds until you can consistently produce them. Record yourself saying ‘regina’ in full sentences, then watch yourself and listen.

Where are continental shelves located?

A continental shelf extends from the coastline of a continent to a drop-off point called the shelf break. From the break, the shelf descends toward the deep ocean floor in what is called the continental slope. Even though they are underwater, continental shelves are part of the continent. What are some examples of continental shelves?

What are the 4 main types of sedimentary rocks?

Thus, there are 4 major types of sedimentary rocks: Clastic Sedimentary Rocks, Chemical Sedimentary Rocks, Biochemical Sedimentary Rocks, and Organic Sedimentary Rocks. What are the 3 main types of sedimentary rocks? Sedimentary rocks are formed from pieces of other existing rock or organic material. There are three different types of sedimentary rocks: clastic, organic (biological),

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