cubanite, a copper and iron sulfide mineral (CuFe2S3) that characteristically occurs with chalcopyrite or pyrrhotite in deposits formed at high temperatures, as in Barracanao, Cuba; Sudbury, Ont., Can.; and Fierro, N.M., U.S. The mineral forms opaque, brassy or bronze-yellow crystals that belong to the orthorhombic … Where is Pentlandite found?Read More →

Introduction: brookite occurs as an accessory mineral in igneous rocks, and in sedimentary rocks derived by their weathering, but is particularly well-known from alpine fissure-type veins. What is a brookite Crystal? A stone often associated with matters of the higher realms, Brookite is a crystal with very high-frequency vibrations. TheseRead More →

Marie Tharp (July 30, 1920 – August 23, 2006) was an American geologist and oceanographic cartographer who, in partnership with Bruce Heezen, created the first scientific map of the Atlantic Ocean floor. Tharp’s work revealed the detailed topography and multi-dimensional geographical landscape of the ocean bottom. Who Marie Tharp mother?Read More →

It’s easy misinterpret half-life to mean “one half of the time it takes for whatever atoms you’re looking at to decay,” but it actually means “the length of time it takes for one half of the atoms you’re looking at to decay.” The measurement is useful in radiometric dating, saysRead More →

Sedimentary rocks are formed by the accumulation of sediments. … Examples include: chert, some dolomites, flint, iron ore, limestones, and rock salt. Organic sedimentary rocks form from the accumulation of plant or animal debris. Examples include: chalk, coal, diatomite, some dolomites, and some limestones. What describes a sedimentary rock? sedimentaryRead More →

The “Dirty Dancing” Resort Is Real — And Yes, You Can Go There. But you won’t be visiting upstate New York. Where is the real Dirty Dancing resort? Mountain Lake Lodge – Dirty Dancing. Step into Johnny and Baby’s dancing shoes at Mountain Lake Lodge. Visit the real film locationsRead More →

When Pangaea was fully formed, the islands and early precursors of what is now the Philippines were in the Northern Hemisphere. Is Philippines part of Pangaea? Archipelago refers to a large collection of islands, and the Philippines islands is an example of an archipelago. The Philippines did not break outRead More →

These rocks were rounded by erosion as they were transported by streams and rivers to the deposition site. How were the Appalachian Mountains formed quizlet? The Appalachian Mountains formed when Africa and North America collided during the assembly of Pangaea. The Himalayas are among the youngest mountains on Earth today.Read More →

Diamond Head is a special type of cinder cone because it was formed very explosively. He has a very large crater compared to the rim size. This type of volcano is called a tuff cone. Koko crater is another example of this type of volcano. How was Diamond Head HawaiiRead More →

The Grand Canyon (Figure below) is a good example of lateral continuity. You can clearly see the same rock layers on opposite sides of the canyon. The matching rock layers were deposited at the same time, so they are the same age. What is Steno’s principle of lateral continuity? Steno’sRead More →