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New Haven Arkose (MATRn;0)
Geologic Formation
in
CT
,
MA
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Lithology
Mudstone
Siltstone
Arkose
Other
(224 mi²)
Geologic Age
Late Triassic (237 Ma – 201.5 Ma ago)
Geologic Unit Label
TRn
Red, pink, and gray coarse-grained, locally conglomeratic arkose interbedded with brick-red shaley siltstone and fine-grained arkosic sandstone; boundary between Lower Jurassic (Jn) and Upper Triassic (TRn) parts is arbitrarily drawn through clastic rocks of similar lithology below gray mudstone containing Lower Jurassic palynofloral zone; TRn is continuous with and lithically similar to TRs near Northampton. Assigned to Newark Supergroup (Robinson and Luttrell, 1985).
—
USGS
Taxonomy
Classified As
Geologic Formation
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