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Describe the processes which occur at a divergent plate boundary.

At a divergent (constructive) plate boundary, the Earth's plates move apart from one another. Magma originating from the mantle rises to the surface, forming new crust; this process generates convection curr...
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Answered by Ceri P. • Geology tutor
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Discuss the formation of metamorphic rocks, including foliation development

Metamorphic rocks form when a rock of any classification (igneous, meta, or sed) is subjected to heat and/or pressure , resulting in recrystallisation. Contact metamorphism occurs around a crustal intrusion ...
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Answered by Amy M. • Geology tutor
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How do you tell the difference between a fault and a fold

Faults are a form of brittle deformation and typically make a rock sequence to appear broken. There a 3 main fault types, normal, reverse and strike-slip. Both normal and reverse faults show vertical movemen...
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Answered by James B. • Geology tutor
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What is the difference between sedimentary, igneous and metamorphic rocks?

Sedimentary rocks are those that are formed by the weathering or breaking down of pre-existing rocks that then get laid down and lithified in layers such as sandstone. Igneous rocks are formed by tectonic pr...
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Answered by Lauren R. • Geology tutor
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What is the theory of Continental Drift and what evidence is there to support it?

Continental Drift is a theory credited to Alfred Wegner in the early 1900s. This theory implies that the continents were once joined in one supercontinent called Pangaea and have since drifted apart. The mov...
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Answered by Jacob M. • Geology tutor
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