Titlebook: Economic Deposits and their Tectonic Setting; Charles S. Hutchison Textbook 1983Latest edition Charles S. Hutchison 1983 diagenesis.econom

只看該作者 · 發(fā)表于 2025-3-26 05:33:29

Intrusive bodies emplaced in stable cratonic terrain,the intrusions; they may be Precambrian or Phanerozoic. The only common feature is that the terrain into which they have been intruded is characterized by long geological stability. Such intrusions are absent from oceanic areas and restricted to continental shield areas.

只看該作者 · 發(fā)表于 2025-3-26 09:02:24

Archaean-style mineralization,etasediments (greenstone belts) within more extensive areas of granites and gneisses in the shield areas of all continents. These are especially well displayed in the shields of North America, India, Australia and the Zimbabwe Craton (.).

只看該作者 · 發(fā)表于 2025-3-26 15:39:22

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