With subordinate biotite granitic gneiss, amphibolite, calcsilicate rock.
Overprint signifies inequigranular texture.
Pyroxenic amphibolite, hornblende gneiss, commonly biotitic, garnetiferous; subordinate calcsilicate rock.
Contains varying amounts of biotite, garnet, sillimanite; minor marble, amphibolite, rusty paragneiss.
Pelitic schists, amphibolite; Units ?Omb, ?Omc, and ?Omd may be Cambrian eugeosynclinal rocks thrust upon Oma; ?Omd - sillimanite-garnet-muscovite-biotite-plagioclase-quartz gneiss; ?Omc - sillimanite-garnet-muscovite-biotite-quartz-plagioclase schistose gneiss, sillimanite nodules, local quartz-rich layers; ?Omb - discontinous unit of amphibolite and ?Omc-type schist.
May contain pyroxenes, hornblende, biotite; locally interlayered with amphibolite; subordinate biotite mesoperthite gneiss.
Phyllite, schist, metagraywacke.
Quartzite, quartz-feldspar gneiss, calcsilicate rock.
With subordinate leucogranite.
Dolomite marble, calc-schist, granulite, and quartzite, overlain by calcite marble; grades into underlying patchy Lowerre Quartzite of Early Cambrian age.
Variably siliceous; in part with calcsilicate rock and amphibolite.
Rock complex with minor pyroxenite; Croton Falls and Peach Lake complexes in New York, and Mt. Prospect Complex in Connecticut.
Basal amphibolite overlain by pelitic schists.
(includes local Dalton Formation at base)-locally conglomeratic.
Sillimanite-garnet-muscovite-biotite-quartz- plagioclase schists; calcite marble and calcsilicate rock at base.
Rusty facies contains variable amounts of garnet, sillimanite, cordierite, graphite, sulfides; minor marble and calcsilicate rock.
Diorite with hornblende and/or biotite.
Occuring as slivers caught along thrusts of later allochthones, or carbonate blocks in Taconic Melange. Also mapped as horses along normal faults.