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Geology
F
Alphabetical index
123
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Facies
Facies is a very general term indicating the category into ...
Fault
A fault is a discontinuity or fracture of the Earth's crust, ...
Fayalite
Fayalite is peridot iron, iron silicate.
Feldspars
Feldspars are tectosilicates (q.v.) composed of SIO4 and ...
Fentes alpines
Fentes alpines is a French term meaning open fractures in ...
Ferralisation
Ferralisation, or laterisation, is a pedogenetic process in ...
Ferralitic duricrust
Ferralitic duricrust is the ferruginous or bauxitic ...
Fibrous
In general terms fibrous means " containing ...
Flagstone
Flagstone is a rock that splits naturally into slabs.
Fluid inclusion
A fluid inclusion is a cavity, often ultra-microscopic in ...
Fluorite
The name fluorite comes from the Latin fluere meaning to ...
Fossilisation
Fossilisation is the set of processes by which the organic ...
Fossils
A fossil is any trace of past life preserved in crystalline ...
Fumarole deposits
Fumarole deposits are formed by the precipitation of mineral ...