Browse Items (22 total)

  • Collection: (LT) Littleton Formation Metamorphic Suite -- New Hampshire

Large poikilitic hornblende porphyroblasts

coarse crystals

Large chiastolite crystals, partly retrograde to muscovite

Dark, banded

Sillimanite-bearing, somewhat altered to muscovite, contains muscovite psuedomorphs

Banded injection


Synkinimatically deformed w/ augen-like feldspar ribbons

Foliated, quartzitic


Staurolite found only in pelitic layers, absent in quartz-rich layers

Has quartz-feldspar pods

Large sillimanite crystals, largely retrograde to muscovite