The Targeted Geoscience Initiative 4 - intrusion-related ore systems .: M45-95/2013E-PDF

Intrusion-related ore systems are formed when molten rock (magma) intrudes into the Earth's crust but solidifies before it can reach the surface. Because this magma cools very slowly, there is enough time for large mineral crystals to grow, which produces many intrusive rocks that have a coarse-grained, granite-like texture. Some of these rocks may grow crystals that are significantly larger than the rest and have one or more minerals. These are called 'porphyry' rocks. As porphyry rocks cool and crystallize, they can produce large volumes of hot, salt-rich fluids that carry high concentrations of base metals such as copper, molybdenum, tungsten and tin.

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Publication information
Department/Agency Canada. Natural Resources Canada.
Geological Survey of Canada.
Title The Targeted Geoscience Initiative 4 - intrusion-related ore systems .
Series title Earth Science Sector, general information product ; 95e
Publication type Series - View Master Record
Language [English]
Other language editions [French]
Format Electronic
Electronic document
Note(s) Issued also in French under title: Initiative géoscientifique ciblée 4 - systèmes minéralisés liés à des intrusions.
Publishing information [Ottawa] : Natural Resources Canada, c2013.
Description [4] p. (un-numbered pages) : col. ill., col. map.
Catalogue number
  • M45-95/2013E-PDF
Departmental catalogue number 292845
Subject terms Geology
Scientific research
Metals
Minerals
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