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


Pegmatite sample descriptions, Massif central, france

H2781 Sample 2502a fr15 0.5g -420+200u
massif central fr2502 rare late vuggy qz
semi transl white vug fill qtz

H2782 Sample 2502b fr15 0.5g -420+200u
massif central fr2502 rare late vuggy qz
massive semi transl white/grey qtz, minor vug fill

H2783 Sample 2503a fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook)
massive semi transl white qtz

H2784 Sample 2503b fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook)
massive semi transl white qtz

H2785 Sample 2503c fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook)
massive semi transl white qtz

H2786 Sample 2503d fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook) adj to clay pit
massive semi transl grey qtz

H2787 Sample 2503e fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook) adj to clay pit
massive semi transl grey qtz

H2788 Sample 2503f fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook) adj to clay pit
massive semi transl grey qtz

H2789 Sample 2503g fr15 0.5g -420+200u
massif central fr2503 margnac pegmatite (p94 in guidebook) nearby
massive semi transl dark grey qtz

H2790 Sample 2504a fr15 0.5g -420+200u
massif central big underground bat cave
massive semi transl white qtz

H2791 Sample 2504b fr15 0.5g -420+200u
massif central big underground bat cave
massive semi transl white qtz

H2792 Sample 2504c fr15 0.5g -420+200u
massif central big underground bat cave
massive semi transl white qtz

H2793 Sample 2504d fr15 0.5g -420+200u
massif central, big bat cave, fr2504 waypoint
massive semi translucent white qtz, slight gray tint

H2794 Sample 2504e fr15 0.5g -420+200u
massif central, big bat cave, fr2504 waypoint
massive semi translucent dark gray qtz

H2796 Sample 2504F FR15 0.5g -420+200u
Massif central, underground - bat cave Margnac pegmatite
massive semi transl dark grey qtz

H2797 Sample 2504G FR15 0.5g -420+200u
Massif central, underground - bat cave Margnac pegmatite
massive semi transl dark grey qtz

H2798 Sample 2504H FR15 0.5g -420+200u
Massif central, underground - bat cave Margnac pegmatite
massive semi transl dark grey qtz

H2799 Sample 2505A FR15 0.5g -420+200u
Massif central, hilltop underground workings Chedeville pegmatites
coarse granular grey-mauve qtz

H2800 Sample 2505B FR15 0.5g -420+200u
Massif central, hilltop underground workings Chedeville pegmatites
coarse granular grey-mauve qtz + kaolin

H2801 Sample 2505C FR15 0.5g -420+200u
Massif central, hilltop underground workings Chedeville pegmatites
coarse granular mauve-grey qtz + kaolin

H2802 Sample 2505D FR15 0.5g -420+200u
Massif central, hilltop underground workings Chedeville pegmatites
coarse granular mauve-grey qtz + kaolin

H2803 Sample 2506A FR15 0.5g -420+200u
Massif central, Beauvoir kaolin pit FR2506
coarse granular vuggy white qtz, trace cassiterite

H2804 Sample 2506B FR15 0.5g -420+200u
Massif central, Beauvoir kaolin pit FR2506
coarse granular white qtz, trace cassiterite

H2805 Sample 2506C FR15 0.5g -420+200u
Massif central, Beauvoir kaolin pit FR2506
massive grey cherty qtz

H2806 Sample 2507A FR15 0.5g -420+200u
Massif central, Montebras (Second) Kaolin pit FR2507 loose samples on ramp
coarse milky white qtz

H2807 Sample 2507B FR15 0.5g -420+200u
Massif central, Montebras, (Second) Kaolin pit, FR2507 loose samples on ramp
coarse milky white qtz

H2808 Sample 2507C FR15 0.5g -420+200u
Massif central, Montebras, (Second) Kaolin pit, FR2507 loose samples on ramp
coarse vitreous pale grey qtz

H2809 Sample 2507D FR15 0.5g -420+200u
Massif central, Montebras, (Second) Kaolin pit, FR2507 loose samples on ramp
coarse granular semi transl white qtz, minor cassiterite on surfaces

H2811 Sample 2508A FR15 0.5g -420+200u
Massif central, Montebras open pit clay mine shear zone in wall on ramp, FR2507
coarse granular semi transl wh qz greisen

H2813 Sample 2508B FR15 0.5g -420+200u
Massif central, montebras clay pit, shear zone in ramp wall, FR2507
semi transl wh qz-kaolin greisen

H2814 Sample 2508C FR15 0.5g -420+200u
Massif central, montebras clay pit, shear zone in ramp wall, FR2507
coarse granular ferruginous qz

H2815 Sample 2509A FR15 0.5g -420+200u
Massif central, montebras clay pit, far side, FR2508, schist-granite contact area
massive semi transl grey qz

H2816 Sample 2509B FR15 0.5g -420+200u
Massif central, montebras clay pit, far side, FR2508, schist-granite contact area
massive semi transl grey qz

H2817 Sample 2509C FR15 0.5g -420+200u
Massif central, montebras clay pit, far side, FR2508, schist-granite contact area
coarse granular semi transl grey & wh qz

H2818 Sample 2509D FR15 0.5g -420+200u
Massif central, montebras clay pit, far side, FR2508, schist-granite contact area
nassive semi transl pale grey qz with wolframite

H2819 Sample 2506D FR15 0.5g -420+200u
Massif central, beauvoir clay pit
pink, very coarse grained crystalline feldspar, FR2506,