Physical Setting/Earth ScienceReferencePhysical Setting/Earth Tables —2011Edition 73° 75° 74° 45° 45° Generalized Bedrock Geology of New York State MASSENA modified from GEOLOGICAL SURVEY PLATTSBURGH NEW YORK STATE MUSEUM 76° St. Lawrence River 1989 N
I
A
L
P
M MT. MARCY A
H C 44° VERMONT 44° WATERTOWN iver
R elevation 75 m LAKE OLD FORGE
LAKE ONTARIO 79° 78° 77° Hudson
OSWEGO
r
e
v UTICA i ROCHESTER
R NIAGARA FALLS
SYRACUSE a
r 43°
a
43° g Mohawk a i
N River BUFFALO elevation 175 m ALBANY LAKE FINGER LAKES ERIE
Genesee River
ITHACA River
JAMESTOWN ELMIRA BINGHAMTON MASSACHUSETTS River SLIDE MT. Susquehanna 42° 42° KINGSTON 79° 78° 77° 76° Delaware
PENNSYLVANIA Hudson
River
GEOLOGIC PERIODS AND ERAS IN NEW YORK
75° CONNECTICUT CRETACEOUS and PLEISTOCENE (Epoch) weakly consolidated to unconsolidated gravels, sands, and clays NEW JERSEY LATE TRIASSIC and EARLY JURASSIC conglomerates,andstones, red s red shales, basalt, and diabase (Palisades sill) SOUND AND PENNSYLVANIAN and MISSISSIPPIAN conglomerates, sandstones, and shales Dominantly ISL G N 73° 41° DEVONIAN sedimentary O 41° limestones, shales, sandstones, and conglomerates L SILURIAN origin 41° RIVERHEAD 72° SILURIAN } also contains salt, gypsum, and hematite. NEW YORK ORDOVICIAN } CITY limestones, shales, sandstones, and dolostones LONG ISLAND CAMBRIAN } ATLANTIC OCEAN CAMBRIAN and EARLY ORDOVICIAN sandstones and dolostones Dominantly moderately to intensely metamorphosed east of the Hudson River metamorphosed 40°30' 73° CAMBRIAN and ORDOVICIAN (undifferentiated) quartzites, dolostones, marbles, and schists rocks 74° 73°30' intensely metamorphosed; includes portions of the Taconic Sequence and Cortlandt Complex Miles TACONIC SEQUENCE sandstones, shales, and slates } Miles N slightly to intensely metamorphosed rocksCAMBRIAN of through MIDDLE ORDOVICIANages Intensely metamorphosed rocks 020401005 30 5040302010 0 MIDDLE PROTEROZOIC gneisses, quartzites, and marbles (regional metamorphism about 1,000 m.y.a.) WE Lines are generalized structure trends. 08604020 0 0204060 80 MIDDLE PROTEROZOIC anorthositic rocks } Kilometers 3 Kilometers S