NI 43-101 Technical Report for the Brewery Creek Project in North America dated October 2012 (Q29659): Difference between revisions

Property are composed of Rabbitkettle Formation (Cambrian-Ordovician) calcareous phyllite overlain

Volcanics, Diment and Craig (1999) suggest a late Cambrian to early Ordovician age. 7.2.1.3 Road River

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Carboniferous Period

unit extended from the Devonian through the early Carboniferous. It is likely that the Earn group

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Devonian Period

property. During the Proterozoic and again in the late Devonian, the basin was subjected to rifting accompanied

sediments. During the Proterozoic and again in the late Devonian, the basin was subjected to rifting. This

volcanics and off-shelf sediments and Earn Group (Lower Devonian) shelf siliciclastics. Throughout most

placed thin sequences of Silurian siltstones against Devonian siliciclastics. The age of thrusting is

Formation have been identified as Silurian to early Devonian in age (Norford and Poulton, 1995). The

suggests that deposition of this unit extended from the Devonian through the early Carboniferous. It is

Suite felsic rocks intruding through Ordovician to Devonian aged marine off-shelf and platform sedimentary

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Ordovician Period

are composed of Rabbitkettle Formation (Cambrian-Ordovician) calcareous phyllite overlain by Road

calcareous phyllite overlain by Road River Group (Ordovician-Silurian) volcanics and off-shelf sediments

property, it has been interpreted as old as Cambro-Ordovician 24 BREWERY CREEK NI 43-101 TECHNICAL

1981; Thompson et al., 1992) and as young as mid-Ordovician (Gordey and Anderson, 1993). The Rabbitkettle

and Craig (1999) suggest a late Cambrian to early Ordovician age. 7.2.1.3 Road River Group This stratigraphic

aged Tombstone Suite felsic rocks intruding through Ordovician to Devonian aged marine off-shelf and

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Silurian Period

phyllite overlain by Road River Group (Ordovician-Silurian) volcanics and off-shelf sediments and

thrust faulting that has placed thin sequences of Silurian siltstones against Devonian siliciclastics.

assemblages in the Steel Formation have been identified as Silurian to early Devonian in age (Norford and Poulton,

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Cretaceous Period

Reserve Trend. The sills were emplaced as part of the Cretaceous Tombstone Suite and typically were emplaced

siliciclastics. Throughout most of the Property, Cretaceous monzonite and quartz monzonite intrudes

semi-conformable sills along a 15 kilometres strike length. Cretaceous (91 Ma), Tombstone Suite biotite monzonite

of thrusting is probably related to the earliest Cretaceous movement on the Tombstone Thrust. A property

mineralization at Brewery Creek is hosted within mid-Cretaceous, felsic intrusive rocks of the Tombstone

is related to late ore forming fluids derived from Cretaceous aged Tombstone Suite felsic rocks intruding

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Jurassic Period

emplacement of thick sills of intrusive rocks. By late Jurassic, the rocks of the Intermontane Belt of

shows that thrust faulting took place between late Jurassic and midCretaceous time based on the age

Strain Zone, a cross cutting structural feature. The Jurassic date is consistent with thrust faults mapped

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Paleogene Period

southwest. The Tintina Fault, is interpreted as a Paleogene-aged dextral strike-slip fault with an

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