Viscosity controls some features of Lava Transport

Viscosity is defined as the resistance to flow in a fluid:

μ=τ/ε (= stress/strain rate)

viscosity affects:

Rate of travel of lava flows
Dome Stability and Collapse
Thickness of lava flow

“Big Obsidian Flow” OR, up to 20m thick. (Note trees for scale)

5 cm thick flow (!) East African Rift

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Geology for Civil Engineers

Geology: Essential Knowledge for Civil Engineers

Geology plays a crucial role in construction, tunneling, and foundation design. A strong grasp of geological concepts can help civil engineers avoid costly mistakes in site selection and stability analysis.

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Rock Mass Classification & Slope Stability
Soil Mechanics & Site Investigation
Landslides & Earthquake Engineering
Foundation Challenges in Different Geologies

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