A sugilite-bearing assemblage from the Wolhaarkop breccia, Bruce iron-ore mine, South Africa: Evidence for alkali metasomatism and 40 Ar- 39 Ar dating

Deposition, Diagenesis, and Secondary Enrichment of Metals in the Paleoproterozoic Hotazel Iron Formation, Kalahari Manganese Field, South Africa

Extending the ancient margin outboard in the Canadian Cordillera: record of Proterozoic crust and Paleocene regional metamorphism in the Nicola horst, southern British Columbia

PHYSICAL MODELING OF THE FORMATION OF KOMATIITE-HOSTED NICKEL DEPOSITS AND A REVIEW OF THE THERMAL EROSION PARADIGM

Petrography and geochemistry of the Paleoproterozoic Hotazel Iron-Formation, Kalahari manganese field, South Africa; implications for Precambrian manganese metallogenesis

An Fe analogue of kinoshitalite from the Broken Hill massive sulfide deposit in the Namaqualand Metamorphic Complex, South Africa

Geochemistry of two metavolcanic arc suites from the Central Metasedimentary Belt of the Grenville Province, southeastern Ontario, Canada

The crystal structure of werdingite, (Mg,Fe) 2 Al 12 (Al,Fe) 2 Si 4 (B,Al) 4 O 37 , and its relationship to sillimanite, mullite, and grandidierite

U-Pb and Rb-Sr geochronology of the Western Ethiopian Shield

Werdingite, a new borosilicate mineral from the granulite facies of the western Namaqualand metamorphic complex, South Africa

The formation of allanite-(Ce) in calcic granofelses, Namaqualand, South Africa

Geochemistry and genesis of two unconformity-associated gold deposits at the base of the Flinton Group, Grenville Province, southeastern Ontario, Canada

Implications of sphalerite inclusions in gahnite from the Namaqualand metamorphic complex, South Africa

The co-occurrence of green and blue gahnite in the Namaqualand metamorphic complex, South Africa

The Flinton Group: a late Precambrian metasedimentary succession in the Grenville Province of eastern Ontario

Petrology of Metavolcanic Rocks in the Bishop Corners – Donaldson Area, Grenville Province, Ontario

Sapphirine-bearing rocks from Wilson Lake, Labrador

Feldspars from Adamant pluton, British Columbia