Tatnic Hill Formation

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Journal Article
Journal: GSA Bulletin
Published: 01 July 1977
GSA Bulletin (1977) 88 (7): 925-934.
... schist and gneiss of the Tatnic Hill Formation, Hebron Formation, Scotland Schist, and the sill-like Canterbury Gneiss overlies the Quinebaug Formation. These rocks produce a field of moderate levels of radioactivity but have nodes of high radioactivity where pegmatite is abundant. A field of moderate...
Series: GSA Special Papers
Published: 01 January 1990
DOI: 10.1130/SPE245-p171
...-sillimanite-muscovite-biotite-plagioclase-quartz schist and biotite-hornblende-plagioclase-quartz gneiss. These units correlate with the Yantic and Lower members, respectively, of the Tatnic Hill Formation, included in the Putnam-Nashoba terrane in eastern Connecticut. The rocks below 815 m in the Moodus...
Journal Article
Journal: Geology
Published: 01 February 2013
Geology (2013) 41 (2): 271-274.
... in the Acadian orogen is an important new petrotectonic problem. The precipitates occur in a belt at least 25 km long in the Brimfield Schist and the adjacent Tatnic Hill Formation ( Fig. 1 ). The exposures are dominated by metapelitic and quartzofeldspathic gneisses, but also include pods and layers of calc...
FIGURES | View All (4)
Journal Article
Published: 01 May 2012
American Mineralogist (2012) 97 (5-6): 840-855.
..., garnet peridotites, and mantle xenoliths ( Sobolev and Lavrent’ev 1971 ; Vrána 2008 ). Finally, ZrO 2 contents in rutile coexisting with a silica polymorph that approach the weight percent level indicate extremely high- T of formation in excess of 900 °C regardless of pressure ( Tomkins et al. 2007...
FIGURES | View All (12)