Fabric Code: tpr190

Bismarck silicic volcanic

Quartz-bearing felsitic tempers, so designated from the dominance, of microcrystalline felsite (groundmass a mosaic of quartz feldspar formed by devitrification of volcanic glass).

Sites:

No site information available.

Mineral and Rock Abundances

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. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
Max 0 3 4 1 2 2 0 1 0 0 0 4 0 0 felsitic, vitric, microlitic
Min 0 2 4 0 0 1 0 0 0 0 0 3 0 0 Bismarck

Representative slides:

No representative slide details available.

References:

145 Manus, Admiralty, PNG, 1997 (Dickinson, W.)

150 Mussau, Manus, New Hanover, New Ireland, PNG, 1997 (Dickinson, W.)