Two Eteocretan inscriptions on blocks of grey schist were excavated in 1936 by Pierre Demargne and Henri van Effenterre from the western part of the large cistern mentioned above.
The geology of the Hazen's Notch area in Westfield and Montgomery is primarily Hazen's Notch Formation of schist with intrusions of Belvidere Mountain Amphibolite and two areas of ultramafic rocks all of which grades into Jay Peak Formation in the lower elevations.
The hornblende schist, found in contact with the serpentine mass directly to the North (at Ogo Dour) and to the South (at Pentreath and Church Cove) is the metamorphic remnant of basaltic intrusives into the upper crust.
The Manshiyat Ezzat Palette is an ornately adorned schist cosmetic palette from predynastic Egypt found at a cemetery in the eastern Delta town of Manshiyat Ezzat, Dakahlia Governorate.
Saliotite was first described in 1994 for an occurrence in an outcrop of high grade schist north of Almeria, Andalusia, Spain.
The schist crops out in a 3 kilometer wide, slightly curved band that starts at the type locality Donzenac and extends to Lanouaille.