0
2
Qhe
SAND
FERRICRETE
Red brown aeolian sand with minor ferricrete
Strat Unit Name
Holocene aeolian sediments
Strat Unit Description
Undifferentiated Holocene aeolian sediments.
GIS Code
H---e
2
8
Qp\ca
CALCRETE
SANDSTONE
Calcrete and carbonate cemented sandstone, orange brown, trace maghemite +/- feldspar fragments and gravel.
Strat Unit Name
Pleistocene calcrete
Strat Unit Description
Undifferentiated Pleistocene calcrete.
GIS Code
I-----ca
8
42
Qhe
SAND
SILT
Sand, slightly silty and clayey, minor semi indurated ferruginous sandstone, rare ? gneiss fragments and gravels.
Strat Unit Name
Holocene aeolian sediments
Strat Unit Description
Undifferentiated Holocene aeolian sediments.
GIS Code
H---e
42
46
YMb6
QUARTZITE
JASPER
Quartzite, minor magnetite and jasper HAMMER BACK ON
Strat Unit Name
Birksgate Complex unit 6
Strat Unit Description
Quartzite, sillimanite+magnetite quartzite, minor sillimanite+garnet metapelite.
GIS Code
YMb-----06
46
70
Mrg
PYROXENITE
ANORTHOSITE
Pyroxenite, grey, trace magnetite, altered, abundant limonite + minor anorthositic layers.
Strat Unit Name
Giles Complex
Strat Unit Description
Layered mafic-ultramafic intrusions: gabbro, norite, peridotite, pyroxenite, anorthosite and troctolite. ~1085–1040 Ma.
GIS Code
M-rg
70
81.74
? Mrg1
? PYROXENITE
FELSIC PEGMATITE
Dark grey coarse grained pyroxene/plagioclase/magnetite highly deformed (mylontinised) ultramafic (pyroxenite?) gneiss?? with carbonate? veins (associated with small pegamtite dykes), and rare pyrite. Also contains pegmatite and dolerite dykes.
Strat Unit Name
Giles Complex unit 1
Strat Unit Description
Ultrabasic rocks: pyroxenite, picrite. Based on purple unit on WOODROFFE.
GIS Code
M-rg----01
81.74
90.5
? Mrg3
? ANORTHOSITE
? PYROXENITE
Blue/grey coarse grained plagioclase/pyroxene/magnetite deforemed anorthisitic layer with rare pyrite and possible bronzite. Contains pyroxene rich layers and a thin dolerite dyke.
Strat Unit Name
Giles Complex unit 3
Strat Unit Description
Anorthosite. Based on plum-coloured unit on MANN and dark red unit on Davies 1-mile.
GIS Code
M-rg----03
90.5
100
? Mrg1
? PYROXENITE
Dark grey/green coarse grained pyroxene/plagioclase highly deformed ultramafic with trace pyrite and pink plagioclase. Contains trace porphroblastic pyroxene crystals up to 1.5cm.
Strat Unit Name
Giles Complex unit 1
Strat Unit Description
Ultrabasic rocks: pyroxenite, picrite. Based on purple unit on WOODROFFE.
GIS Code
M-rg----01