WebAll the possible answers are correct (Chemical sedimentary rocks are crystalline, both chert and limestone may have chemical origin, flint jasper agate and petrified wood are … WebStudy with Quizlet and memorize flashcards containing terms like Detrital sedimentary rocks form from sediments that have been _____ and _____., t/f - Chert is a chemical …
Gypsum - Minerals Education Coalition
Webnodule, rounded mineral concretion that is distinct from, and may be separated from, the formation in which it occurs. Nodules commonly are elongate with a knobby irregular surface; they usually are oriented parallel to the bedding. Chert and flint often occur as dense and structureless nodules of nearly pure silica in limestone or chalk, where they … WebChert has two properties that made it especially useful: 1) it breaks with a conchoidal fracture to form very sharp edges, and, 2) it is very hard (7 on the Mohs Scale ). The edges of broken chert are sharp and tend to retain their sharpness because chert is a very … Political Map of the World Shown above The map above is a political map of the … Flint, chert, and jasper are a few of the many names used for microcrystalline … The United Kingdom has fossil fuels of coal, petroleum and natural gas. Metal … Photos and information about 80 common rock-forming, ore and gemstone … Large Wall Map of Europe: If you are interested in the geography of Europe, … First Use of Arkansas Novaculite. Native Americans were the first people to mine … Particles of chert, pyrite, siderite, and other minerals can form in the limestone by … fish in a tree crossword
Geology - rocks and minerals
WebChert is a biochemical sedimentary rock made from microcrystalline quartz. It is very hard – registering a 7 on the Mohs hardness scale, and displays conchoidal fracturing. Chert … WebChert & Flint = microcrystalline monomineralic (quartz) rocks. Texture in silt – shale sized clastic rocks depends on amount of compaction. When first deposited, clay minerals … WebBedded chert (1st option) 650 Bedded chert (2nd option) 651 Fossiliferous bedded chert 659 Bony coal or impure coal 660 Underclay 661 Flint clay 662 Bentonite 663 Glauconite 664 Limonite 665 Siderite 666 Phosphatic-nodular rock 667 Gypsum 668 Salt 669 Interbedded sandstone and siltstone 670 Interbedded ... 37.2—Metamorphic-rock, … fish in a tree chapter one