Browse Items (1651 total)

fine-coarse grained pink granite

Sample intruded by Osceola granite (WMB-5). Sample contains bronze colored needles of astrophyllite associated with riebeckite.

The granites at this locality are intruded by aplite dikes (WMB-6)

Sample found in massive slabby outcrops in the bed of the Sawyer River.

This sample is coarse grained and contains fayalite, ferrohedenbergite, and ferrohastingsite.

This rock type is considered to be the most mafic of all units found in the entire White Mountain Batholith.

other minerals found include sillimanite, kyanite, and corundum

pillow lava metamorphosed to zone 2

sillimanite-rich

bedded, coarse

contains melt-like aggregates