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

-----2023-----

ECROFI Iceland
     July 2-6

AOGS Singapore
    30 Jul - 4 Aug 2023

SGA Zurich Aug 2023


Comprehensive Geology Conference Calendar


Twin Creeks Au deposit, Nevada. Sample descriptions


H1263  Sample# 1924A US0  Twin Creeks 1.5g  -420+200u          Acid Washed
Twin Peaks mega pit - North end, carbonaceous crackle breccia
Dark grey carbonaceous mudstone with intense crackle breccia

H1264  Sample# 1924B US0  Twin Creeks 1.42g -420+200u          Acid Washed
Twin Peaks mega pit - North end, carbonaceous crackle breccia
Dark grey carbonaceous mudstone with intense crackle breccia

H1265  Sample# 1925A US0  Twin Creeks 1.5g  -420+200u
Twin Peaks mega pit - North end, 100m from sample 1924. Strongly silicified
Dark grey silicified siltstone with occasional veinlets

H1266  Sample# 1925B US0  Twin Creeks 1.5g  -420+200u
Twin Peaks mega pit - North end, 100m from sample 1924. Strongly silicified
Dark grey silicified mudstone with abundant veinlets

H1267  Sample# 1925C US0  Twin Creeks 1.5g  -420+200u
Twin Peaks mega pit - North end, 100m from sample 1924. Strongly silicified
Dark grey silicified siltstone with many veinlets, some to 3mm thick

H1365  Sample# 1926A  US0  0.26gm  -420+200u    Acid Washed
Twin Peaks Nv., Megapit, near Jackrabbit zone, South end, rare silicified rock
Dark grey silicified calcareous mudstone, abundant veinlets

H1366  Sample# 1926B  US0  1.5gm  -420+200u    Acid Washed
Twin Peaks Nv., Megapit, near Jackrabbit zone, South end, rare silicified rock
Dark grey silicified calcareous mudstone & thick 5mm qtz veinlet

H1367  Sample# 1926C  US0  1.5gm  -420+200u    Acid Washed
Twin Peaks Nv., Megapit, near Jackrabbit zone, South end, rare silicified rock
Dark grey silicified calcareous mudstone, abundant veinlets

H1368  Sample# 1927   US0  1.5gm  -420+200u    Acid Washed
Twin Peaks Nv., Vista Pit,  sugary qtz vein  NE area
Rd bn sugary qtz

H1369  Sample# 1928A  US0  1.5gm  -420+200u
Twin Peaks Nv., Vista Pit,  SW area  quartz veins
milky white 2cm thick quartz vein

H1370  Sample# 1928B  US0  1.5gm  -420+200u
Twin Peaks Nv., Vista Pit,  SW area  quartz veins
coarse milky white S= associated with vein,  but sulphides removed

H1371  Sample# 1928C  US0  1.5gm  -420+200u
Twin Peaks Nv., Vista Pit,  SW area  quartz veins
Vuggy milky white qtz & S=

H1372  Sample# 1926B  US0  1.5gm  -420+200u  RE_acid washed second time
Twin Peaks Nv., Megapit, south end, near Jackrabbit zone
dark gy calcareous mudst, with thick 5mm qtz veinlet

H1373  Sample# 1929A  US0  1.5gm  -420+200u  Acid washed
Getchell Nv., base of North pit
Milky white qtz vein

H1374  Sample# 1929B  US0  0.68gm  -420+200u  Acid washed
Getchell Nv., base of North pit
Dark grey silicified calcareous siltstone


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