Consists of a number of interrelated map units defined by Hoare and Coonrad (1978) and Box (1985) in the Goodnews Bay and Hagemeister Island region of southwest Alaska. Consists of three main subunits; the rocks of the first subunit include recrystallized schistose and phyllitic calcareous sandstone, shale, limestone, limestone conglomerate, greenish tuffaceous rocks, mafic volcanic rocks, and volcanic conglomerate; the second subunit consists of metamorphosed conglomerate, sandstone, and shale; and the third subunit is partially to completely recrystallized glaucophane-hornblende epidote schistose rocks derived from mafic igneous rocks that include pillow basalt, angular volcanic breccia, diabase, and gabbro and associated sedimentary rocks, that include pebbly mudstone, fine-grained tuffaceous sedimentary rocks, and rare chert (Box, 1985). Turbidite characteristics are locally preserved in clastic metasedimentary rocks. Mineral assemblages indicate greenschist to transitional greenschist-blueschist facies metamorphism (Box, 1985; Dusel-Bacon and others, 1996); structurally the unit shows evidence of multiple metamorphic events (Box, 1985). Metamorphic fabric is similar in all three subunits, which suggests that all three units were deformed during the same metamorphic event (Box, 1985). Locally, unit is structurally overlain by Devonian to Ordovician limestone and the Kanektok metamorphic complex (Wilson and others, 2013). West of Goodnews Bay, the unit structurally overlies Permian volcaniclastic rocks and underlies Permian limestone. Intruded by nonfoliated Middle Jurassic gabbroic rocks (Jgb). Schist has yielded K/Ar mica ages of 155±8 Ma and 150±8 Ma (Wilson and others, 2013), possibly related to a Late Jurassic thermal event suggested by Box (1985). The ages are suspect, however, because the K2O content of the mica (1.71 and 2.94 percent, respectively) is much lower than typical for mica (8 to 10 percent), suggesting alteration. A K/Ar cooling age on amphibole of 231.2±6.9 Ma (Wilson and others, 2013) from the metasedimentary rocks suggests Middle Triassic metamorphism; age is constrained to be older than the intrusion of Middle Jurassic gabbroic rocks. Age of protolith may be Permian or older (Hoare and Coonrad, 1978; Box, 1985). Main part of unit is spatially associated with a Triassic ophiolite complex