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plate tectonics. Please research that subject for more info.
I can answer that! Major gold deposits are usually found deep underground, but this gold was ...they went to mine in the Sierra Nevada. The mining process started with this knowledge ... veins, thereis no guarantee that all the veins that looked at first glance to be of ... How did the gold actually get into these veining systems? ...
What else can I help you with?
Vein minerals are metal deposits that occur in the cracks of rocks?
Vein minerals can contain deposits of metals and other minerals, and occur in fissures or cracks of rock.
Are vein minerals metal deposits that occur in cracks in rocks?
Yes and No, while some metal ores may indeed be vein minerals, not all vein minerals are metal ores and not all metal ores are vein minerals.
What are vein minerals?
Metal deposits that occur in the cracks of rocks.
What is a long narrow deposits of a mineral in rock?
A long narrow deposit of a mineral in rock is typically referred to as a vein. Veins are formed when minerals are transported by fluids and deposited in cracks or fissures within existing rock formations. These deposits can be valuable sources of various minerals and metals.
What type of mining is used to extract veins of ore deposits from the ground?
Vein mining is used to extract ore deposits from the ground. This method involves following a mineralized vein and extracting the ore from it by digging underground tunnels to access the vein. It is commonly used for minerals such as gold, silver, and copper.
Vein deposits of extremely large-grained minerals that can contain rare ores such as lithium and beryllium?
These deposits are likely pegmatites, which are igneous rocks with exceptionally large crystals. Pegmatites can host rare minerals and ores due to their unique formation process, which involves late-stage crystallization of magma enriched in rare elements like lithium and beryllium. These deposits are important sources for these rare metals and are often mined for their economic value.
Minerals deposits left behind that fill in the open spaces created by weakness and rock formation called?
Mineral deposits left behind that fill in the open spaces created by weaknesses in rock formation are called veins. Veins are formed through the process of hydrothermal fluids carrying minerals that solidify within cracks and voids in the host rock. This creates concentrations of minerals that can be economically significant for mining purposes.
Vein minerals were once dissolved in fluids?
Vein minerals form when mineral-rich fluids, typically from hydrothermal sources, flow through cracks and fractures in rocks. As these fluids cool or change in pressure, the dissolved minerals precipitate out, filling the voids to create veins. Common vein minerals include quartz, gold, and various sulfides, which often reflect the chemical composition of the original fluid. This geological process is crucial for the formation of many ore deposits.
What mine is used when ore deposits occur in veins?
Underground mining is typically used when ore deposits occur in veins. This method involves underground tunnels and shafts to access the ore deposits. Miners can follow the vein and extract the valuable minerals for processing.
Vein deposits are usually produced by .?
hydrothermal solutions
Vein deposits usually produced by what?
hydrothermal solutions
What are vein deposits usually produced by?
hydrothermal solutions
