Note for clarification that ‘heavy
mineral concentrate minerals’ are collected from surface sediment
samples collected down-ice or downstream from the geophysical
anomalies. The geophysical anomalies can refer to gravity and/or
magnetic anomalies.
- Note For Clarification That Heavy Mineral Concentrate Minerals Are Collected From Surface Sediment Samples Collected D 1 (35.19 KiB) Viewed 28 times
Geophyisical Anomaly Shape Heavy Mineral Concentrate Minerals (most to least abundant) Target Host Rocks А Archean gneiss elongate Mg-amphibole, zircon, corundum, titanite B Pyrope-grossular, pyrope-almandine, Mg-il menite, omphacite, spinel C Cr-grossular, zircon, diopside, periclase, kyanite, corundum, apatite Archean gneiss round Proterozoic me tasediments round Phanerozoic limestones ovoid Pleistocene basalts round D Mg-olivine, Mg-ilmenite, Mg-chromite, Cr-pyrope, grossular, pyrope-almandine, chromite E Mg-olivine, Mg-ilmenite, spinel, ilmenite, perovskite, zircon