ultramafic cumulates

French translation: cumulat(s) ultramafique(s)

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English term or phrase:	ultramafic cumulates
French translation:	cumulat(s) ultramafique(s)
Entered by:	Ipsissima Verba

17:12 Nov 22, 2007

English to French translations [PRO]
Science - Geology / volcanology

English term or phrase: ultramafic cumulates

Hi, any volcano experts out there?

I'm in desperate need of a French translation of the term "ultramafic cumulates".
After doing some reasearch, I've found the terms "ultramafic rocks" (roches ultramafiques) and "ingenious rocks"(roches ignées), which seem to be synonyms, in several scientific articles. Now I wonder whether "ultramafic cumulates" is just another synonym of "ultramafic rocks" 'roches ultramafiques) or not.

BTW:
"ultramafic" is a synonym of "ultrabasic" and means "very low in silica and rich in iron and magnesium minerals", if I've got it right.

Here ist the term in its context:

An expanded 3-D study of the subaerial volcanoes by Okubo et al. (1997) interpreted high velocities (N6.4 km/s) beneath the summits and rift zones of Kilauea and Mauna Loa volcanoes as ultramafic cumulates precipitated within upper crustal magma reservoirs and pathways, and low velocities (b6.0 km/s) within the Hilina and Kao'iki fault zones as deep-seated brecciated fault rocks.

Thanks in advance for your help!

Ipsissima Verba KudoZ activity Questions: 10 (none open) (1 closed without grading) Answers: 0
Local time: 08:15

cumulat(s) ultramafique(s)

Explanation:
At least this expression is used in the text cited below.

PS I think you meant "igneous rocks" ;-)

Selected response from:

cchat

Grading comment

Thanks for your suggestion! Of course you're right. It must be igneous rocks... What an embarrassing typo!;)
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +2

cumulat(s) ultramafique(s)

cchat

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10 mins confidence:

peer agreement (net): +2

cumulat(s) ultramafique(s)

Explanation:
At least this expression is used in the text cited below.

PS I think you meant "igneous rocks" ;-)

Example sentence(s):

Leur unité supérieure, qui comprend des roches gabbroïques et basaltiques ainsi qu'un cumulat ultramafique assez épais à la base, est relativement mince

pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_abst_e?cjes_e75-038_12_ns_nf_cjes3-75

cchat
Native speaker of:

English
PRO pts in category: 12

Grading comment

Thanks for your suggestion! Of course you're right. It must be igneous rocks... What an embarrassing typo!;)

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ultramafic cumulates

French translation: cumulat(s) ultramafique(s)

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