Iron is a mineral found in every cell of the body. Iron is considered an essential mineral because it is needed to make hemoglobin, a part of blood cells. Is iron ore a mineral resource? John D. Jorgenson, a mineral commodity specialist for the U.S. Geological Survey, compiled the followingRead More →
Fine grained igneous rocks have at least a portion of the rock matrix that has no visible crystals to the unaided eye. Porphyritic texture is produced by two distinct cooling stages producing both large and small crystals in the same rock. Slow cooling (generally deep underground) produces large crystals. WhatRead More →
Quartz arenite is sandstone which has a granular silica composition more than 90 percent of which consists of quartz, chert, and quartzose rock fragments. In general, its color is light gray. What type of rock is swamp? In what is now the Great Swamp, layers of sand, silt, mud andRead More →
Red Casino (Grand Oasis Resort) – Cancún The Red Casino offers poker players the choice of Texas Hold’em or Caribbean Poker, 24 hours a day and 7 days a week. Does Hyatt Ziva Cancun have a casino? The Hyatt Ziva Cancun lacks a casino, but there are several within aRead More →
Contrary to popular opinion, it is Mount Augustus, and not Uluru, which is the largest rock in the world. Rising 717m above the flat plains which surround it, Mount Augustus covers an area of 4,795 hectares, making it one-and-a-half times larger than Uluru (3,330 hectares). What is the second biggestRead More →
Answer 1: Heavy objects fall at the same rate (or speed) as light ones. The acceleration due to gravity is about 10 m/s2 everywhere around earth, so all objects experience the same acceleration when they fall. How fast will a feather fall? Dropped objects fall to the ground at whatRead More →
The expression, “hit rock bottom,” was popularized by Alcoholics Anonymous and has become part of our common language. Usually it means that a person has reached a point where there is nothing else to lose. There is no lower place to fall to; you’ve reached the rock bottom. Is RockRead More →
Marble. When limestone, a sedimentary rock, gets buried deep in the earth for millions of years, the heat and pressure can change it into a metamorphic rock called marble. Marble is strong and can be polished to a beautiful luster. How old is the marble rock? The Paleozoic rocks (fromRead More →
: rock formed of mechanical, chemical, or organic sediment: such as. a : clastic rock (as conglomerate, sandstone, or shale) formed of fragments of other rock transported from its source and deposited in water. b : rock (as rock salt or gypsum) formed by precipitation from solution. What is sedimentaryRead More →
Non-clastic rocks are created when water evaporates or from the. remains of plants and animals. Limestone is a non-clastic sedimentary rock. Limestone is made of the mineral calcite. It often contains fossils. Which rock is clastic or non clastic? Clasts are the fragments of rocks and minerals. Examples of clasticRead More →