Applied mineral exploration methods, hydrothermal fluids, baro-acoustic decrepitation, CO2 rich fluids #
Newest Topics:

New model 216 decreptiometer

Exploration of the Mt. Boppy Au deposit, NSW

Forensic tests on soil samples

Viewpoints:

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

Gold-quartz deposits form from aqueous - CO2 fluids: NOT from CO2-only fluids


Discussions why H2 analysis by mass spectrometry is wrong



News:

Gold at Okote, Ethiopia

Kalgoorlie Au data

Sangan skarn Fe deposits, Iran

Studies of 6 Pegmatite deposits

A study of the Gejiu tin mine, China


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.



 Interesting Conferences:

-----2021-----

SGA, (Rotorua NZ), FULLY VIRTUAL march 28-31 2022
-----2022-----
6th Archean, Perth, W.Aust. RESCHEDULED unknown date 2022


Comprehensive Geology Conference Calendar


El Penon sample descriptions

H1410  Sample# 1821A Chile EP  0.5g  -420+200u
El Penon (Meridian Au) project. Quebrada Orito - Run of mine dumps
Strongly banded milky wh and semi transl gy qz, 5mm thick bands, inseperable

H1414  Sample# 1822B Chile EP  0.5g  -420+200u
El Penon (Meridian Au) project. Quebrada Orito - Run of mine dumps
white and s.transl qz, v. ferruginous and vugs

H1417  Sample# 1823A Chile EP  0.5g  -420+200u
El Penon (Meridian Au) project. Quebrada Orito - Run of mine dumps - at rear
very coarse crystalline translucent clean white quartz

H1419  Sample# 1823C Chile EP  0.5g  -420+200u
El Penon (Meridian Au) project. Quebrada Orito - Run of mine dumps - at rear
milky white & grey weakly banded qtz

H1422  Sample# 1824C Chile EP  0.5g  -420+200u
El Penon (Meridian gold) project. Quebrada Colorada Run of mine dumps
coarse crstalline white grey and translucent qtz


El Penon - closely related quartz samples

H1425  Sample# 1824F Chile EP  0.5g  -420+200u
El Penon (Meridian gold) project. Quebrada Colorada Run of mine dumps
Coarse crystalline mostly mauve transl qtz, some white qz. Other half is 1824G

H1426  Sample# 1824G Chile EP  0.5g  -420+200u
El Penon (Meridian gold) project. Quebrada Colorada Run of mine dumps
milky white fine grained qtz. Other half is 1824F

 
 

Escondida sample descriptions

H1438  Sample# 1818A  Chile Esc  0.5g  -420+200u ***Result divided by 2***
Escondida pit, sulphide zone, host is grey, very fractured porphyry
Milky wh qz, some vugs, cystalline cavities and much black S=

H1440  Sample# 1818C  Chile Esc  0.5g  -420+200u
Escondida pit, sulphide zone, host is grey, very fractured porphyry
Milky white qtz. Much coarse spotted S=

H1443  Sample# 1819A  Chile Esc  0.5g  -420+200u
Escondida pit, sulphide zone, host is grey, very fractured porphyry
Grey fine grained massive quartz, minor S=

H1446  Sample# 1819D  Chile Esc  0.5g  -420+200u
Escondida pit, sulphide zone, host is grey, very fractured porphyry
Massive grey & white qz, minor S=

H1448  Sample# 1820B  Chile Esc  0.5g  -420+200u
Escondida pit, sulphide zone, same bench, 200m from 1818. Less qz, more altd.
massive grey fine grained qz and S=




Chuquicamata sample descriptions

H1451  Sample# 1826C  Chile Chu  0.5g  -420+200u
Chuquicamata pit, north end at oest fault, eastern minz. block, sericitic zone
Porphyry with disseminated S=, sericitic

H1453  Sample# 1827A  Chile Chu  0.5g  -420+200u
Chuquicamata pit, several benches lower and east of 1826. Into main porphyry
Very coarse K feldspar porphyry

H1459  Sample# 1828  Chile Chu  0.5g  -420+200u ***Result divided by 2***
Chuquicamata pit, low in pit, near oest fault
grey, weakly banded massive qtz.

H1462  Sample# 1829C Chile Chu  0.5g  -420+200u
Chuquicamata pit, north end, lowest visit point, High grade & high As, sericitic
white chalky, strongly sericitic porphyry, minor S=

H1465  Sample# 1830A Chile Chu  0.5g  -420+200u
Chuquicamata pit, north end, lowest visit point, High grade & high As, sericitic
Massive semi transl. grey qz associated with enargite