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Geochemistry and petrography of the ultramafic metavolcanic rocks in the eastern portion of the Shebandowan greenstone belt, Northwestern Ontario
(2018)
The 2.7 Ga Shebandowan greenstone belt in the Wawa-Abitibi terrane
contains unusual ultramafic rocks. The two main assemblages present within the
study area are the Greenwater and Shebandowan assemblages. The 2719.7 ± ...
Geochemistry of shallow and deep water archean meta-iron formations and their post-depositional alteration in western Superior Province, Canada
(2018)
One purpose for studying banded meta-iron formations is to determine the chemical composition of
seawater in the Archean ocean and the oxygen content of the Archean oceanic-atmospheric system.
Geologists use the geochemistry ...
Petrology of the Crystal Lake Gabbro and the Mount Mollie Dyke, Midcontinent Rift, Northwest Ontario
(2018)
The Crystal Lake Gabbro (CLG) is a Y-shaped, up to 750 m wide, layered mafic intrusion with a 5 km long northern limb and a 2.75 km long southern limb, with localized Cu-Ni and Cr mineralization. The Mount Mollie Dyke (MMD) ...