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Heavy Minerals Sandstone (Samarium-Neodynium Isotopes (Brent Group (Poss…
Heavy Minerals Sandstone
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Heavy Minerals
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Mineral e.g.s = garnet, zircon, chromite, magnetite, monazite
Extraction
- past: physically
- nowadays: microbeam analysis
Heavy mineral provenance
Allows
inference
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Metamorphic conditions source rocks experienced (burial Z, P, T)
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Zircon Dating
- Quantify relative U-238 vs Pb-206 concentrations
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Triassic Sandstones
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1. Separate out all heavy minerals i.e. Zr, apatite, tourmaline
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3. Determine correlations
- between wells
- with poss source rocks
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