Petrology and Geochemistry of Continental Rifts: Volume One of the Proceedings of the NATO Advanced Study Institute Paleorift Systems with Emphasis on the Permian Oslo Rift, held in Oslo, Norway, July 27–August 5, 1977

Front Matter....Pages i-xv
Continental Rifting and Mantle Degassing....Pages 1-13
A Note on the Behavior of Incompatible Trace Elements in Alkaline Magmas....Pages 15-25
Geological and Geophysical Parameters of Mid-Plate Volcanism....Pages 27-28
Tectonic and Magmatic Evolution of the Southern Part of the Kenya Rift Valley....Pages 29-50
Some Aspects of the Metallogeny of Continental Rifting Events....Pages 51-54
The Afar Rift Junction....Pages 55-69
Petrology of Plio-Pleistocene Basaltic Rocks from the Central Rio Grande Rift (New Mexico, USA) and their Relation to Rift Structure....Pages 71-78
Rifting and Volcanism in the New Mexico Segment of the Basin and Range Province, Southwestern USA....Pages 79-86
Mineralogy of the Tullu Moje Active Volcanic Area (Arussi: Ethiopian Rift Valley)....Pages 87-100
The Volcanological Development of the Kenya Rift....Pages 101-121
Spatial and Temporal Variations in Basalt Geochemistry in the N. Kenya Rift....Pages 123-131
Rift-Associated Igneous Activity in Eastern North America....Pages 133-154
Basaltic and Alkalic Rocks of Southern Brazil: A Review....Pages 155-162
The Gardar Igneous Province: Evidence for Proterozoic Continental Rifting....Pages 163-172
Evidence for an Early Permian Oceanic Rift in the Northern North Atlantic....Pages 173-179
RB/SR — Relationship in the Oslo Igneous Rocks....Pages 181-184
Distribution of Th, U, K in the Plutonic Rocks of the Oslo Region, Norway....Pages 185-192
Origin of the Magmas of the Vestfold Lava Plateau....Pages 193-208
Petrology of the Skien Basaltic Rocks and the Early Basaltic (B 1 ) Volcanism of the Permian Oslo Rift....Pages 209-216
Composite Plutonic Ring-Complexes: A Structural Characteristic of Rift-Zone Plutonism....Pages 217-229
Petrogenesis of the Larvik Ring-Complex in the Permian Oslo Rift, Norway....Pages 231-236
Petrogenesis of the Holterkollen Plutonic Complex, Norway....Pages 237-244
Ore Deposits Related to the Keweenawan Rift....Pages 245-253
K/Ar Dating of Clay-Mineral Alteration Associated with Ore Deposition in the Northern Part of the Oslo Region....Pages 255-264
Further K/Ar Determinations on Clay Mineral Alteration Associated with Fluorite Deposition in Southern Norway....Pages 265-275
Ore Deposits in the North-Eastern Part of the Oslo Region and in the Adjacent Precambrian Areas....Pages 277-286
Back Matter....Pages 287-296