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SAFOD Experiment (Borehole shape ∆ with depth (Rapidly under lotsa stress,…
SAFOD Experiment
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What is
SAFOD?
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first large scale drilling experiment through
a tectonically active, loaded & actively creeping fault
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SAFOD Operation
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3 phases
of drilling
- Drill toward SAF (just beside)
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- Drill side holes coming off (2) to take samples
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Determining
SAF Lithology
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∴ Caution taken when sampling lithology
--> sample rock chips, not full core
SAF Deforming Zones
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Drilled through three deforming zones: North, Central, South
Evidence
P-wave, S-wave velociy & resistivity anomalies
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Location
SAFOD
North of LA, just West of SAF
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