Topic
Alpine Texas
1
Andesite dike
1
Augusta
1
B. G. J
1
Basaltic dike
1
Big Bend National Park
1
Bilateral symmetry
1
Brian Geoffrey Johnson Upton
1
California
1
Canada
1
Cat's Nick
1
Cerro Castollon
1
Chisos Formation
1
Christmas Mountains
1
Colorado
1
Composite dike
1
Contact surface
1
Cooling surfaces
1
Cote de Neiges
1
Crater Elegante
1
Cretaceous limestone
1
Dike
1
Dike margins
1
Dike swarm
1
Dike termination
1
Edinburgh
1
Extrusive igneous bodies
1
Feeder dike
1
Feeders
1
Field geology
1
Fissure
1
Flow lines
1
Fracture
1
Fractures
1
G. P. L
1
George Patrick Leonard Walker
1
Germany
1
Giant dikes
1
Glassy margins
1
Gold mineralization
1
Granite dike
1
Hafragilsfoss
1
Hamblin-Cleopatra volcano
1
Hawaii
1
Hokkaido
1
Homestake gold mine
1
Horizontal intrusion
1
Hyaloclastite
1
Iceland
1
Igneous rocks
1
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