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Gold/Mining/Energy : MARUM RESOURCES ON ALBERTA

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To: Jesse who wrote (549)	4/11/1998 5:55:00 PM
From: JP	Read Replies (1) of 2514

Jesse -here is a tidbit from the Ashton web site <<Diamond-bearing Volcanic Eruption Natural diamonds are formed deep in the Earth's interior, at depths of at least 150 kilometres from the Earth's surface. At these depths extreme heat and pressure transform carbon atoms into diamonds and under the right circumstances they can be carried to the Earth's surface through a rapid, explosive volcanic eruption. The volcanic transport medium is a particular type of ultramafic rock called kimberlite. A variant of this suite of ultramafic rocks is lamproite and this is the host of Argyle's diamonds. Ordinary Volcanic Eruption In many volcanic eruptions magma surges up from a depth of perhaps 80 kilometres and oozes out of a crater as molten lava. No evidence has ever been found of diamonds in a flow of molten lava from a conventional volcano.>> Something to keep in mind is the last line. There seems to be a difference. A kimberlite forms from much deeper than a conventional volcano.

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