What are the two layers of the mantle?
Regional SpecificsThe mantle has two main parts, the upper mantle and the lower mantle. The upper mantle is attached to the layer above it called the crust. Together the crust and the upper mantle form a fixed shell called the lithosphere, which is broken into sections called tectonic plates. What are the 2 layers of the
What forms the continental rise?
Regional SpecificsContinental rises form as a result of three sedimentary processes: mass wasting, the deposition from contour currents, and the vertical settling of clastic and biogenic particles. What are continental rises mostly made of? A continental rise consists mainly of silts, mud, and sand, deposited by turbidity flows, and can extend for several hundreds of miles
Does Basalt have luster?
Regional SpecificsIs basalt shiny or dull? Basalt consists of a fine and even-grain. The dense rock has no crystals or minerals discernible to the naked eye. When freshly broken, basalt has a dull surface. What is characteristics of basalt rocks? basalt, extrusive igneous (volcanic) rock that is low in silica content, dark in colour, and comparatively
What is another word for ice age?
Regional Specificsglacial epochIce-age synonyms In this page you can discover 8 synonyms, antonyms, idiomatic expressions, and related words for ice-age, like: glacial epoch, glacial period, glaciation, cretaceous, interglacial, 0-05x, 50-60mm and 5cm-2-inch. What is ice another name for? Crystal methamphetamine (‘ice’, ice drug) is a stimulant drug, which means it speeds up the messages travelling between
Which dating method provides a relative age?
Natural EnvironmentsThe abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating. What are relative dating methods? In relative dating, we determine which things are older or younger based on their relationships. For example, we know from geology that soil layers
Which came first Rodinia and Pangea?
Regional SpecificsPangaea broke up about 250 million years ago and Rodinia about 760 million years ago. What came before Pangea? Between roughly 750 million and 550 million years ago these ocean basins were destroyed, and all the Precambrian nuclei of Africa, Australia, Antarctica, South America and India amalgamated into the supercontinent of Gondwana. What came after