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  3. Geology

pilliers perdus

English translation: room and pillar mining

10:28 Dec 19, 2012
French to English translations [PRO]
Tech/Engineering - Geology / gypsum extraction
French term or phrase: pilliers perdus
En Provence, son extraction se faisait autrefois dans des carrières à ciel ouvert ou également
en galeries étayées, peu profondes appelées tannes, à piliers perdus.
elizabeth_med
France
Local time: 07:30
English translation:room and pillar mining
Explanation:
common mining term, see Wikipedia for a description. The pillars are left in place (lost to the extraction process) to support the back (roof)
Selected response from:

Guy Bray
United States
Local time: 22:30
Grading comment
4 KudoZ points were awarded for this answer



Summary of answers provided
4 +1lost column
B D Finch
4room and pillar mining
Guy Bray
4left in place pillars
kashew
3pillar and stall method
liz askew
1temporary pillars
Jonathan MacKerron
Summary of reference entries provided
further context
liz askew

Discussion entries: 1





  

Answers


21 mins   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
lost column


Explanation:
"c. perdida, lost column ; (7) in winning mineral deposits, pillar which is subsequently removed "
http://www.archive.org/stream/dictionaryofspan00halsrich/dic...

B D Finch
France
Local time: 07:30
Native speaker of: English
PRO pts in category: 30

Peer comments on this answer (and responses from the answerer)
neutral  liz askew: trouble is, nothing on any English sites with this
14 mins
agree  Salih YILDIRIM
23 mins
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43 mins   confidence: Answerer confidence 1/5Answerer confidence 1/5
temporary pillars


Explanation:
search term in the PDF, but still just a guess on my part

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Note added at 45 mins (2012-12-19 11:13:57 GMT)
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http://www.gutenberg.org/files/26697/26697-h/26697-h.htm

Example sentence(s):
  • http://www.gutenberg.org/files/26697/26697-h/26697-h.htm
Jonathan MacKerron
Native speaker of: English
PRO pts in category: 4
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44 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
pillar and stall method


Explanation:
Gypsum - RitchieWiki
www.ritchiewiki.com/wiki/index.php/gypsum
24 Nov 2009 – Extraction of gypsum deposits is accomplished through opencast mining or underground mining using the pillar and stall method. Gypsum ...

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Note added at 49 mins (2012-12-19 11:18:07 GMT)
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Towards Biodiversity Stewardship in Gypsum Quarrying ... - skillsup
www.skillsup.eu/pdf/biodiversity_brochure_pics.pdf
File Format: PDF/Adobe Acrobat - View as HTML
30 Jun 2009 – Protection of the Iberis Linifolia (France – Lantosque, Alpes Maritimes). ... Promotion of Wildlife (UK – Gypsum Way, Gotham). .... Gypsum is produced from open-cast mines, or underground mines using pillar and stall mining ...

liz askew
United Kingdom
Local time: 06:30
Native speaker of: Native in EnglishEnglish
PRO pts in category: 37
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6 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
room and pillar mining


Explanation:
common mining term, see Wikipedia for a description. The pillars are left in place (lost to the extraction process) to support the back (roof)

Guy Bray
United States
Local time: 22:30
Specializes in field
Native speaker of: English
PRO pts in category: 45
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11 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
left in place pillars


Explanation:
http://www.prometeo.polimi.it/POSS/POSSing/05_SBrigida.pdf

kashew
France
Local time: 07:30
Native speaker of: Native in EnglishEnglish
PRO pts in category: 47
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Reference comments


25 mins
Reference: further context

Reference information:
http://www.deco-verone.com/du platre au gypse.html


¨ L'extraction du gypse ou pierre à plâtre a lieu en général en carrière à ciel ouvert, à Clamensane par exemple, et parfois en souterrains horizontaux peu profonds, après le XVIe siècle, les «tannes», à l'aide de piliers-perdus. Exemples au XIXe et au début du XXe siècle : Saint Pérréal dans le Vaucluse, ou les gipières de la colline de la Plâtrière au col de la Mort d'Imbert, à Manosque.

liz askew
United Kingdom
Native speaker of: Native in EnglishEnglish
PRO pts in category: 37
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