Applied mineral exploration methods, hydrothermal fluids, baro-acoustic decrepitation, CO2 rich fluids
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Do IOCG deposits form from CO2 fluids?

How CO2 inclusions form from aqueous fluids (UPDATED)

Understanding heterogeneous fluids : why gold is not transported in CO2-only fluids

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Studies of 6 Pegmatite deposits

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Exploration using palaeo-hydrothermal fluids

Using opaque minerals to understand ore fluids


Understanding baro-acoustic decrepitation.

An introduction to fluid inclusions and mineral exploration applications.



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El Laco Chile, Sample descriptions

Collected: August 2000


Back to El Laco description

H1494 Sample# 1834A Chile ELL 1.5g -420+200 Mags
El Laco Sur, next bench higher than base level bench Fine grain black massive mt

H1496 Sample# 1833A Chile ELL 1.5g -420+200 Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt/haem, vugs, siliceous?

H1497 Sample# 1833B Chile ELL 1.5g -420+200 Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt/haem, vugs, siliceous?

H1498 Sample# 1833C Chile ELL 1.5g -420+200 Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black & rd-bn mt,hm. with vugs

H1499 Sample# 1833D Chile ELL 1.5g -420+200 Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt,hm. with vugs

H1500 Sample# 1833E Chile ELL 1.5g -420+200
El Laco Sur, lowest bench, main ore reserve Fine grain black mt,hm with vugs, vitreous

H1501 Sample# 1833F Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt,hm with vugs, vitreous

H1502 Sample# 1833G Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt,hm with vugs, vitreous

H1503 Sample# 1833H Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain black mt,hm with vugs, vitreous

H1504 Sample# 1833J Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain matt black mt,hm no vugs

H1505 Sample# 1833K Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain matt black mt,hm no vugs

H1506 Sample# 1833L Chile ELL 1.5g -420+200, Mags
El Laco Sur, lowest bench, main ore reserve Fine grain matt black mt,hm no vugs

H1507 Sample# 1833M Chile ELL 1.5g -420+200, NON-Mags
El Laco Sur, lowest bench, main ore reserve Black & rd/bn vitreous haem with vugs

H1508 Sample# 1833N Chile ELL 1.5g -420+200, NON-Mags
El Laco Sur, lowest bench, main ore reserve Matt Black & rd/bn haem fractured, alteration selveges on fractures

H1509 Sample# 1833P Chile ELL 1.5g -420+200, Mag seperates
El Laco Sur, lowest bench, main ore reserve Matt Black & rd/bn haem, no vugs

H1512 Sample# 1834B Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest fine grianed black massive mt. crystalline on one surface

H1513 Sample# 1834C Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest fine grained black vuggy mt with coarse crystals

H1514 Sample# 1834D Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest fine grianed black vuggy mt. with coarse crystals

H1515 Sample# 1834E Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest fine grianed black vuggy mt. remnant layering, coarse xtals

H1516 Sample# 1833P Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, lowest bench Non-Mag matt black and red-bn haematite, no vugs

H1517 Sample# 1834F Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest med grained black mt. Crystals aligned perpendicular to layering

H1518 Sample# 1834G Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest med/fine grained black mt. Crystals strongly aligned perpendicular to layering

H1519 Sample# 1834H Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest very coarse black mt. crystals

H1520 Sample# 1834J Chile ELL 1.5g -420+200u Mags
El Laco Sur mine, next bench up from lowest very coarse black mt. crystals

H1521 Sample# 1835A Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, top bench (1917 excavated), several intermed. benches bypassed non mag red-blk vuggy, coarse grained mt/hm

H1522 Sample# 1835B Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, top bench (1917 excavated), several intermed. benches bypassed non mag red-blk vuggy, coarse grained mt/hm

H1523 Sample# 1835C Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, top bench (1917 excavated), several intermed. benches bypassed non mag red-blk vuggy, very coarse grained mt/hm

H1524 Sample# 1835D Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, top bench (1917 excavated), several intermed. benches bypassed non mag red-blk coarse massive mt/hm

H1525 Sample# 1835E Chile ELL 1.5g -420+200u NON-Mags
El Laco Sur mine, top bench (1917 excavated), several intermed. benches bypassed non mag red-blk mt/hm, 3 cm long columnar texture

h1535 Sample# 1836A ChileELL 1.5g -420+200 non-mags
El Laco Chile, North east area, outcrop on ridge, no diggings here Black massive haem/magnetite, non mag

h1536 Sample# 1836A ChileELL 1.5g -420+200 Mags
El Laco Chile, North east area, outcrop on ridge, no diggings here Black massive haem/magnetite, Mags

h1537 Sample# 1836B ChileELL 1.5g -420+200 Mags & non-mags unseperated
El Laco Chile, North east area, outcrop on ridge, no diggings here Black vuggy haem/magnetite

h1538 Sample# 1836C ChileELL 1.5g -420+200 Mags
El Laco Chile, North east area, outcrop on ridge, no diggings here Black vuggy haem/magnetite, weakly magnetic

h1539 Sample# 1836D ChileELL 1.5g -420+200 Mags
El Laco Chile, North east area, outcrop on ridge, no diggings here Black vuggy haem/magnetite, magnetic with very coarse crystals

H1542 Sample# 1836E Chile ellaco 1.5g -420+200u MAGs
El Laco North east, outcrop on ridge, no diggings here Black hm/mt with coarse crystals, magnetic

H1543 Sample# 1836F Chile ellaco 1.5g -420+200u MAGs
El Laco North east, outcrop on ridge, no diggings here Black massive hm/mt, magnetic

H1544 Sample# 1837A Chile ellaco 1.5g -420+200u NON-MAGs
El Laco North west, no diggings here Black fine grained massive hm/mt, minor porosity, non-magnetic

H1545 Sample# 1837B Chile ellaco 1.5g -420+200u MAGs
El Laco North west, no diggings here Black fine grained massive hm/mt, porous, magnetic

H1546 Sample# 1837C Chile ellaco 1.5g -420+200u MAGs
El Laco North west, no diggings here Black fine grained massive hm/mt, vugs, magnetic, minor xtal linings on cavities

H1547 Sample# 1837D Chile ellaco 1.5g -420+200u MAGs
El Laco North west, no diggings here Black coarse grained hm/mt, intra xtal cavities, weakly magnetic

H1548 Sample# 1837D Chile ellaco 1.5g -420+200u NON-MAGs
El Laco North west, no diggings here Black coarse grained hm/mt, intra xtal cavities, weakly magnetic


Back to El Laco description