0
17.1
Mta7
DOLERITE
Weath dolerite
Strat Unit Name
Gawler Range Volcanics unit 7
Strat Unit Description
Dolerite dykes within Glenloth Granite. Based on unit as on GAIRDNER. Age uncertain; map unit at present may include older dykes.
GIS Code
M-ta----07
17.1
26.7
? Mth
GRANITE
Granite
Strat Unit Name
Hiltaba Suite
Strat Unit Description
Granite, syenite, quartz monzonite, granodiorite, monzodiorite: coarse, megacrystic to equigranular, to fine-grained, granophyric, equigranular or porphyritic. Undeformed to locally strongly deformed. Minor mafic to ultramafic intrusive rocks. I to A-type, ~1600-1575 Ma.
GIS Code
M-th
26.7
27.2
? AYm-g
GNEISS
Fg mafic gneiss (?xenolith)
Strat Unit Name
Glenloth Granite
Strat Unit Description
Granite, granodiorite, pink-brown to grey, quartz, microcline and plagioclase. With remnants of gneiss and biotite and hornblende schlieren. ~2509-2436 Ma.
GIS Code
AYm--g
27.2
27.8
? Mth
GRANITE
Granite
Strat Unit Name
Hiltaba Suite
Strat Unit Description
Granite, syenite, quartz monzonite, granodiorite, monzodiorite: coarse, megacrystic to equigranular, to fine-grained, granophyric, equigranular or porphyritic. Undeformed to locally strongly deformed. Minor mafic to ultramafic intrusive rocks. I to A-type, ~1600-1575 Ma.
GIS Code
M-th
27.8
27.9
? AYm-g
? GNEISS
Dark fg band
Strat Unit Name
Glenloth Granite
Strat Unit Description
Granite, granodiorite, pink-brown to grey, quartz, microcline and plagioclase. With remnants of gneiss and biotite and hornblende schlieren. ~2509-2436 Ma.
GIS Code
AYm--g
27.9
75.2
? Mth
GRANITE
Granite; granitic gneiss 62.0-62.8 (?xenolith)
Strat Unit Name
Hiltaba Suite
Strat Unit Description
Granite, syenite, quartz monzonite, granodiorite, monzodiorite: coarse, megacrystic to equigranular, to fine-grained, granophyric, equigranular or porphyritic. Undeformed to locally strongly deformed. Minor mafic to ultramafic intrusive rocks. I to A-type, ~1600-1575 Ma.
GIS Code
M-th