on April 15, 2022
What causes surface currents and deep currents?
GeologyDeep currents are driven by temperature and water density/salinity. Of course, deep currents impact surface currents, which carry warm water to the poles. Surface currents are also driven by global wind systems fueled by energy from the sun. Factors like wind direction and the Coriolis effect play a role. What are the causes for surface
on April 15, 2022
What determines the size of a tsunami?
GeologyFor tsunamis that are generated by underwater earthquakes, the amplitude of the tsunami is determined by the amount by which the sea-floor is displaced. Similarly, the wavelength and period of the tsunami are determined by the size and shape of the underwater disturbance. What affects the size of a tsunami? The amount of movement of
on April 15, 2022
What minerals are in sandstone?
GeologySandstones are siliciclastic sedimentary rocks that consist mainly of sand-size grains (clast diameters… The principal mineral constituents of the framework are quartz, feldspar, and rock fragments. Is sandstone made out of minerals? Sandstone is a sedimentary rock composed of sand-size grains of mineral, rock, or organic material. It also contains a cementing material that binds
on April 15, 2022
What EON are we in right now?
GeologyPhanerozoic eonPhanerozoic eon, Cenozoic era, Quaternary period, Holocene epoch and (as mentioned) the Meghalayan age. What is the current eon we live in? Phanerozoic eon Officially, we live in the Meghalayan age (which began 4,200 years ago) of the Holocene epoch. The Holocene falls in the Quaternary period (2.6m years ago) of the Cenozoic era
on April 15, 2022
What is another word for mountain range?
GeologyWhat is another word for mountain range? ridge sierra Himalayas massif range Rockies cordilleran belt fold belt mountain chain Rocky Mountains What is the other name of the range? What is another word for range? scope compass sweep ambit area field gamut scale span bounds What are some other words for mountain? synonyms for mountain
on April 15, 2022
What is a volcano PPT?
GeologyWhat is volcano Slideshare? A volcano is a mountain that opens downward to a pool of molten rock below the surface of the earth. When pressure builds up, eruptions occur. Gases and rock shoot up through the opening and spill over or fill the air with lava fragments. What is volcano explain? Volcanoes are openings,
on April 15, 2022
How does pyroclastic flow affect people?
GeologyA pyroclastic flow’s deadly mixture of hot ash and toxic gases is able to kill animals and people. The famous 79 CE eruption of Mount Vesuvius buried the nearby cities of Pompeii and Herculaneum, Italy, in pyroclastic fallout, killing about 13,000 people. How do volcanoes affect humans? Health concerns after a volcanic eruption include infectious
on April 15, 2022
Why is sandstone a sedimentary rock?
GeologySandstone Basics The sediment particles are clasts, or pieces, of minerals and fragments of rock, thus sandstone is a clastic sedimentary rock. It is composed mostly of sand particles, which are of medium size; therefore, sandstone is a medium-grained clastic sedimentary rock. Is sandstone a sedimentary rock? Sandstones are siliciclastic sedimentary rocks that consist mainly
on April 15, 2022
What are some relative dating techniques?
GeologyPrinciples of relative dating Uniformitarianism. … Intrusive relationships. … Cross-cutting relationships. … Inclusions and components. … Original horizontality. … Superposition. … Faunal succession. … Lateral continuity. What techniques are used for relative dating? Relative Dating Methods Stratigraphy: Assuming that soil layers in a deposit accumulate on top of one another, and that the bottom layers
on April 15, 2022
Do Australia get earthquakes?
GeologyWhile some parts of the country are more likely to experience earthquakes than others, large earthquakes can occur anywhere across the continent, and without warning. On average 100 earthquakes of magnitude 3 or more are recorded in Australia each year. When was the last earthquake in Australia? Australian National Recent Earthquakes Time (UTC) Time (AEST)