None (0) | Minor (1) | Few (2) | Common (3) | Frequent (4) | Major (5) | Very Dominant (6) |
0% | 0-5% | 5-15% | 15-30 % | 30-50% | 50-70% | 70-100% |
Name | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics/ Region |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
tpr194 | 2 | 1 | 1 | 4 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, microlitic |
Arawe placer | 0 | 0 | 1 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Bismarck |
tpr463 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | na |
New Britain calcareous | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Bismarck |
tpr464 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | na |
New Britain opaque | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Bismarck |
Slide | Fabric | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WD_41_11 | tpr194 (Arawe placer) | New Britain | 1 | 0 | 1 | 4 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, microlitic |
WD_41_13 | tpr194 (Arawe placer) | New Britain | 2 | 0 | 0 | 3 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | vitric, microlitic |
Moderately to well sorted, fine- to medium-grained, subrounded placer beach sands rich in opaque iron oxide grains of high specific gravity and containing minor admixtures of calcareous reef detritus. Has orthopyroxene in addition to clinopyroxene.
Moderately to well sorted, fine- to medium-grained, subrounded placer beach sands rich in opaque iron oxide grains of high specific gravity and containing minor admixtures of calcareous reef detritus. Has orthopyroxene in addition to clinopyroxene.