Answer: Placer
Consult the figure below. ________ deposits form where erosion produces clasts of native metals.
Mon Aug 15 2005 14:30:00 GMT-0400 (Eastern Daylight Time) · The sulfur cycle is the collection of processes by which sulfur moves between rocks waterways and living systems. Such biogeochemical cycles are important in geology because they affect many minerals. Biochemical cycles are also important for life because sulfur is an essential element being a constituent of many proteins and cofactors and sulfur compounds can be used as oxidants or ...
Rarely but importantly gold tin and platinum deposits can form in beach placer deposits . Tin tungsten and molybdenum. These three metals generally form in a certain type of granite via a similar mechanism to intrusive-related gold and copper. They are considered together because the process of forming these deposits is essentially the same.
Ore genesis - Wikipedia
Geology of the Rocky Mountains - Wikipedia
Glossary of geology - Wikipedia
Ore genesis - Wikipedia
Mining is the extraction of valuable minerals or other geological materials from the Earth usually from an ore body lode vein seam reef or placer deposit .These deposits form a mineralized commodity that is of economic interest to the miner. Ores recovered by mining include metals coal oil shale gemstones limestone chalk dimension stone rock salt potash gravel and clay.
C calcareous Formed from or containing a high proportion of calcium carbonate in the form of calcite or aragonite used of a sediment sedimentary rock or soil type. calcite A mineral that is the crystalline form of calcium carbonate (CaCO 3) showing trigonal symmetry and a great variety of mineral habits.It is one of the commonest of minerals in association with both igneous and sedimentary ...
Thu Sep 11 2003 14:30:00 GMT-0400 (Eastern Daylight Time) · Volcanic rock (often shortened to volcanics in scientific contexts) is a rock formed from lava erupted from a volcano.In other words it differs from other igneous rock by being of volcanic origi...
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