Potential Topics
edit- Origin of water on Earth
- Geode
- Ore Shoot - Chosen Topic
- Mining in Canada
- Geology of Ontario
Ore Shoot Draft -all edits done will be italicized
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An ore shoot is a mass of ore deposited in a vein. The ore shoot consists of the most valuable part of the ore deposit. An ore shoot is the area of concentration containing primary ore along the veins present in the rocks.
Gold Vein
editVeins
editAlong an ore shoot, there is a rich gathering of different minerals in a vein. The veins resemble a pipe or a chimney in structure. Veins are displaced mainly vertically oriented but also horizontal with large veins extending approximately 30 m (100 ft) horizontally and 150 m (500 ft) vertically. The metal contents in ore shoots are distributed in areas that vary in deposit sizes.
Sizes and structure
editThe circumference of deposit sizes can range from a few meters, to many kilometres. A structure may consist of multiple ore shoots with some veins or lodes being as thick as 1.5–6.1 m (5–20 ft), and extending to thousands of feet horizontally and vertically.
Locations -Formation
editThere are complex stratigraphic historical parameters required in understanding how ore shoots are formed. Rocks go through numerous ductile and brittle deformation events before they become mineralized. The different locations of ore shoots in Australia are determined by investigating the internal architecture of the rock pile. The longest shoots occur on the flanks of the basalt flows with the largest lateral extent. The geometry and internal structure of the basalt flows is important for predicting the likelihood and extent of the ore shoots. Found in the Guangxi region in South China, the Jianzhupo Sb-Pb-Zn-Ag deposit has been explored and studied over decades, by using different parameters to understand the formation.[1] These include the use of geological fluid inclusions as well as H-O isotopic data that can be found during the mineralization's main stage. The Jianzhupo deposit is located within the Danchi Sn-polymetalic belt, and experienced major faulting and subsidence during the Devonian-Carboniferous Periods following folding during the Middle Triassic, and then finally underwent extension during the Cretaceous.[1] The deposit was drilled into for fluid inclusions samples at varying depths, recovering 30 thin sections that were then used for petrographic fluid inclusion analysis
References
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- ^ a b Zhang, Jian; Huang, Wenting; Liang, Huaying; Wu, Jing; Chen, Xilian (April 8th 2018). "Genesis of the Jianzhupo Sb–Pb–Zn–Ag deposit and formation of an ore shoot in the Wuxu ore field, Guangxi, South China". Science Direct.
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