Amazon.com: Fluorite in the Mineral Ridge-Clay Lick Fault System ...
Amazon.com: Fluorite in the Mineral Ridge-Clay Lick Fault System, Livingston County, Ky (Report of investigations): Neal M Muir: Books.
www.amazon.com/Fluorite-Mineral-Ridge-Clay-Livingston-inves... - 162k - Cached - Similar pages

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Note added at 35 mins (2008-09-20 08:22:11 GMT)
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[PDF]
Universidad Técnica Federico Santa María Campus Santiago PROCESOS ...
File Format: PDF/Adobe Acrobat - View as HTML
este un molino cónico que usaba colpas de mineral de 8” de diámetro como medio .... partículas de gran tamaño puede resultar en la acumulación de partículas ...
johan.jmc.utfsm.cl/pi/Moliendadoc2.PDF - Similar pages

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Note added at 40 mins (2008-09-20 08:27:52 GMT)
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Preview Libro Planificación.doc
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El primer proceso de conminución se realiza en la tronadura, ..... considerado como sobre tamaño (colpas o bolones) y la frecuencia de aparición de estas, ...
https://www.u-cursos.cl/ingenieria/2007/2/MI58A/1/material_a... - 313k - Cached - Similar pages

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Note added at 42 mins (2008-09-20 08:29:07 GMT)
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here

bolones

= boulders

http://216.239.59.104/search?q=cache:wQNYk2gBTKAJ:www.scielo...

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Note added at 42 mins (2008-09-20 08:30:03 GMT)
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So

it is also possible that "colpas" = some kind of

boulders

minerals exploration
Recognize ore minerals or alteration in locally derived boulders collected from overburden or stream channel. Geochemistry: ...
earthsci.org/mineral/mindep/depfile/explora.htm - 9k - Cached - Similar pages

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Note added at 43 mins (2008-09-20 08:30:52 GMT)
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#
www.cooperminerals.com/properties.php - 15k - Cached - Similar pages
#
Drift Prospecting and Mineral Exploration
The conclusion was that the ore boulders originated from and area near Seahorse ... indicator minerals have been noted through drift prospecting activities. ...
www.emporia.edu/earthsci/student/seigel3/drift_prospecting.... - 12k - Cached - Similar pages

so

boulders

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Note added at 45 mins (2008-09-20 08:32:23 GMT)
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Yep

amended contribution =

boulders

Results 1 - 10 of about 64 Spanish pages for colpa boulder. (0.26 seconds)
Search Results

1.
C - Hard Rock Miners Dictionary by Jack De La Verge | InfoMine ...
- [ Translate this page ]
colpa (const), boulder, fragmento de roca de gran tamaño que se encuentra comúnmente presente en depósitos de tipo aluvial. colpas (min), oversize muck, ...
www.infomine.com/dictionary/hardrockminers/english/welcome_... - 341k - Cached - Similar pages