Porphyry intrusion
WebFeb 9, 2024 · Geoscientist with experience generating, assessing, managing and exploring projects related to porphyry copper-gold deposits, … WebA versatile explorer with over 15 years focussed porphyry/epithermal, orogenic and intrusion related gold, and sediment hosted copper systems …
Porphyry intrusion
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There are several publications that had reported zircon U-Pb ages from Pulang (Pang et al. 2014; Cao et al. 2016; Wang et al. 2024). We compiled the magmatic age data of the Late Triassic eastern porphyry of Shangri-La. The results show that the crystallization ages of QDP, QMP and GP are concentrated in 223 … See more Island arc setting is generally considered to be the most favorable for PCD formation (Sillitoe 2010; Richards 2015; Sun et al. 2013, 2015). The Yidun island arc was … See more Not all porphyries are mineralized, and some researchers have noticed that some island arcs have become rich in mineralization in a short period of time, but the … See more Webdeep porphyry intrusion and potential copper deposit, particularly if lying beneath post-mineral cover. In addition to areas of outcropping epithermal alteration, many Peruvian mineral districts have significant cover due to the presence of post-mineral volcanic deposits or alluvial fill, the latter due to local post-mineral down-faulting.
Porphyry is the name given to decorative granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass. The larger crystals are called phenocrysts. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone, valued for its appearance, but other colour… WebHydrothermal alteration associated with porphyry-style mineralisation typically comprises concentric near-circular alteration zones surrounding a roughly circular central intrusion. …
WebMar 22, 2015 · The mineralization frequently forms a halo around the intrusion both in the intrusion itself and in the surrounding host rocks. It’s marked in the red hatch pattern in the cross section. Now although … WebDec 21, 2024 · Intrusion-centred mineral districts host a diversity of ore deposits of variable metal associations, alteration assemblages and genesis. Porphyry systems represent …
WebMar 8, 2024 · The Jogran Porphyry intrusion is exposed at surface and open at depth. Historical drilling by Phelps-Dodge in 1958 and re-sampling by Noranda in 1992 …
WebThe porphyry intrusion and associated skarn system setting intersected at Trundle is a common geological setting of many large porphyry systems (eg Cadia, Grasberg, Ok Tedi … images of ticks on dogs skinWebMaterials and methods Porphyry deposits are the most important source of copper, molybdenum and rhenium (Sillitoe, 2010) and provide significant amount of gold, silver … images of tidal stationsWebJun 22, 2015 · The key to porphyry exploration is the alteration of the surrounding rocks that occurred during the intrusion and mineralization. The so-called prophylactic folic and potassic alterations I spoke about. … images of tic tac toe boardWebIntrusion-related copper-bearing ore deposits in Mexico span a wide-range of deposit types and geological settings and formed from the mid-Mesozoic through the Holocene. These … images of tie dyeWebThe Copper King deposit is thought by some to be a Proterozoic porphyry gold-copper deposit (Hausel, 1992, 1997; Carson, 1998), and is included in a list of undeveloped … images of tiefencastel stationWebIntrusion, and Wall Rock, Porphyry Copper Deposits. Top. Search. Home > Section 20 > Chapter 19,233. Intrusion, and Wall Rock, Porphyry Copper Deposits Titley Spencer, R. … images of tick tock dayWebThe major products from porphyry copper deposits are copper and molybdenum or copper and gold. The term porphyry copper now includes engineering as well as geological considerations; It refers to large, … list of characters egoist