"indicator" nach Englisch mit Beispielen - Kollokationen-Wörterbuch Englisch
- Pyrope is an indicator mineral for high-pressure rocks.
- It is an indicator mineral of the prehnite-pumpellyite metamorphic facies.
- It is used as an indicator mineral in the search for diamonds.
- They found kimberlitic indicator minerals near Lac de Gras in the Northwest Territories in 1985, and their first kimberlite at Point Lake in 1991.
- Prospectors generally find diamond pipes the old-fashioned way: panning rivers and checking for diamonds or indicator minerals from pipes like garnets, pyrope and chromium diopside.
- These indicator minerals are generally sought in stream sediments in modern alluvial material.
- The island has been subject to diamond exploration following the discovery of a wide range of kimberlite indicator minerals there.
- The Falconbridge-Superior joint venture then funded a research program by South African geochemist John Gurney, to study possible indicator minerals for diamondiferous pipes.
- The presence of certain indicator minerals in the mixture suggested temperatures exceeded 250 C, a record for an underwater volcano.
- There are the same indicator minerals for gold along with numerous silica blowouts, called jasperoids.
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