fil - seam ( translation glossary) Mining & Minerals / Gems,

« une des bases de l'...

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)

French term or phrase:	fil
English translation:	seam
Entered by:	Dean Frances

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2:55pm Apr 16, 2004

French to English translations [PRO]
Mining & Minerals / Gems

French term or phrase: fil

Any English terms, please? "Veine de peu d'épaisseur que l'on rencontre dans certaines pierres froides." Or:
"Défaut de continuité dans le marbre, la pierre."

Dean Frances

KudoZ activity
Questions: 54 (1 open)
Answers: 0

France

seam

Explanation:
simply

Selected response from:

Hacene
United Kingdom

Note from asker to answerer

Thanks a lot
4 KudoZ points were awarded for this answer

Summary of answers provided

4 +2

seam

Hacene

definition

Bourth

vein deposit; vein; veinlet; stockwork

GWC- Claire

Answers

2 mins confidence:

peer agreement (net): +2

seam

Explanation:
simply

Hacene
United Kingdom
Works in field
Native speaker of:

French
PRO pts in category: 4

Note from asker to answerer

Thanks a lot

13 mins confidence:

definition

Explanation:
>>fil n.m. (d'une roche : syn. fendant)
Terme de carrier désignant la direction préférentielle selon laquelle peut se fendre une roche d'aspect massif (granite par ex.), et correspondant soit à des fissures invisibles, soit à une certain orientation des cristaux. Voir aussi clivage, débit, délit, diaclase, longrain>>

<<clivage - Aptitude pour un minéral ou pour une roche à se fendre facilement suivant une famille de plans parallèles bien définis...>>

[Dict. de Géologie, Foucault/Raoult]

cleavage (mineral cleavage) Many minerals will, when broken, display a flat plane of breakage which is parallel to a possible crystal face ... Cleavage planes are developed along planes of weakness i the atomic lattice and the perfection, or otherwise, of the cleavage depends up n ...

Cleavage (rock cleavage) - [different types, but the general picutre is the same as above]

Cleavage plane - The plane of mechanical fracture in a rock. Cleavage planes are normally sufficiently closely spaced to break the rock into parallel-sided slices. THe term is also applied to 'mineral cleavage'.
[Penguin Dict. of Geology]

So I'd go for "plane of cleavage". Note that "fil" is a quarryman's term and it might be hard to track an English equivalent, if there is one.

In general terms, I think the word "fil" is used as we would speak about the "grain" of timber (and along which it is easy to split a log or a plank). "Grain" has a different meaning for rock, though.

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Note added at 21 mins (2004-04-16 15:16:59 GMT)
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HOWEVER, that is the quarryman\'s definition.

NOW for the stonemason\'s:

<<Fil - Dans la pierre ou dans le marbre, une \"fente à peine perceptible qui coupe une masse et qui a une forme et une direction quelconques\" (définition AFNOR).
GB: haircrack (through stone or marble)>>
[Dicobat]

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Note added at 41 mins (2004-04-16 15:36:51 GMT)
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HOWEVER (2), if \"fil\" is being used in relation to \"lauzes\", I suspect it\'s the quarryman\'s term you want. Even so, in the excerpts in the glossary entry for \"lauze\" you\'ll find reference to the distinction between \"cleavage plane\" as applicable to slate, for ex., and \"bedding plane\" as applicable to sandstone or limestone \"lauzes\".

Bourth
France
Works in field
Native speaker of:

English
PRO pts in category: 97

8 hrs confidence:

vein deposit; vein; veinlet; stockwork

Explanation:
a vein is any tabular to sheetlike, quartz-rich body filling a fracture in rocks. The fractures may have been faults, joints, or other planar features. Miners and prospectors call any tabular body a vein if it is compositionally different from the surrounding rocks. A lode deposit consists of closely spaced, subparallel veins; a stockwork is a three-dimensional network of veinlets. Alteration minerals usually occur in rocks adjacent to mineralized veins, which generally originated in fractures across lower-grade mineralization. Veins continue to be important sources of gold, silver, uranium, and gems; the increased use of mining machinery, which ordinarily requires mining widths of 2 to 3 m (7 to 10 ft), has, howver, rendered many veins uneconomic.

Grolier Encyclopedia of Knowledge

A few suggestions...

GWC- Claire
United States
Native speaker of:

English
PRO pts in category: 4

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French: fil

English translation: seam