Mesozoic rock formations in the NY region. The Geologic History of New York State. The Mesozoic. Mesozoic Rock Formations in the NY Region
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1 The eologic History of New York State The Mesozoic eologic Provinces NY Region Timescale and geologic provinces of NY-NJ Mesozoic Rock Formations in the NY Region Mesozoic rock formations in the NY region Early Jurassic Late Triassic Late Cretaceous
2 Triassic - Jurassic Rock Newark Basin Late Triassic Pangea begins to rift apart. Line of hotspots develops beneath old suture. Africa and South America pull away from North America. Tension in crust forms rift basins.
3 Mesozoic Rift Basins Rift basin geology Bounding normal fault. Volcanism (basaltic fissure eruptions). Alluvial fan conglomerates. Deposition of sediments in river systems. Deposition of sediments in lakes. Fossils of terrestrial animals and plants. Northern End of the Newark Basin Watchung lava flows Ramapo fault Palisades intrusive sheet Lower Jurassic Upper Triassic
4 eologic cross section of the Newark Basin Palisades Cliffs at the eorge Washington Bridge
5 Palisades Cliffs at the eorge Washington Bridge Palisades Cliffs at the eorge Washington Bridge Hudson Highlands Newark Basin Ramapo Fault
6 View of Paterson NJ looking north from arrett Mt. The reat Falls at Paterson, NJ The reat Falls at Paterson, NJ
7 Orange Mt. Basalt Stockton Formation Sedimentary deposition in a growing rift basin Lake and shoreline beige siltstone and dark shale Braided river / floodplain red sandstone and siltstone Alluvial fan conglomerate and arkose East West Bounding fault Sedimentary deposition in a growing rift basin Alluvial fan conglomerate and arkose East West Bounding fault
8 Stockton Formation alluvial fan conglomerates Sedimentary deposition in a growing rift basin Braided river / floodplain red sandstone and siltstone East West Bounding fault Stockton Formation - conglomerate and arkose
9 Sedimentary deposition in a growing rift basin Lake and shoreline beige siltstone and dark shale East West Bounding fault Dinosaur footprint and ripple marks in sandstone (DSP, Hartford basin) Lockatong Formation - shale and siltstone deposited in a rift lake
10 Semionotus - Triassic freshwater fish Eubrontes - common ichnogenus in Jurassic rocks of the Hartford basin. rallator - theropod footprint Common Newark Basin trackway
11 Footprint of small ornithopod dinosaur (Dan River Basin) Prosauropod bones in Portland Arkose (Hartford Basin) Plateosaurus - Prosauropod
12 Dinosaur Fossils of New York Dinosaur Fossils of New York Photo - Newsday Footprint? Cretaceous, Eatons Neck Photo - New York State Museum Trackways - rallator Photo - Newsday Triassic, Nyack Beach Footprint - rallator Triassic, found at Roanoke Point Phanerozoic Proterozoic Archean Hadean 0 Ma 540 Ma renville Orogeny 2500 Ma 3800 Ma 4600 Ma C M P Cenozoic Mesozoic Paleozoic Quat. Carb. Tertiary Paleogene Neogene Cretaceous Jurassic Triassic Permian Pennsylvanian Mississippian Devonian Silurian Ordovician Cambrian Quat. = Quaternary Carb. = Carboniferous Modern eologic Time Scale Holocene Pleistocene Pliocene Miocene Oligocene Eocene Paleocene Ma Rifting of Pangea erosion Alleghenian Orogeny Passive margin Acadian Orogeny Passive margin Taconic Orogeny Passive margin
13 Interior N.Y. Bight Coastal Plain Continental Shelf
14 eologic map of the Atlantic Coastal Plain Upper Cretaceous Navesink Formation, Big Brook, NJ Common Navesink Formation Fossils Oysters Brachiopod Choristothyris plicata Pycnodonte mutabilis Agerostrea mesenterica Exogyra costata Cephalopod Belemnitella americana
15 Scapanorhynchus Enchodus Mosasaurus conodon
16 Sea Turtle Navesink Formation Cretaceous, NJ Mosasaur skull Platycarpus coryphaeus
17 Hadrosaurus plaque Hadrosauus plaque closeup The Haddonfield Hadrosaurus Hadrosaurus sculpture Joseph Leidy
18 Dryptosaurus aquilunguis Dryptosaurus aquilunguis Charles Knight, 1897 Upper Cretaceous Dinosaurs of NJ Hornerstown Sand Tinton Sand Tertiary Cretaceous Upper Cretaceous dinosaurs of NJ Red Bank Sand Navesink Fm. Mount Laural Sand o ce ta Cre Maastrichtian Campanian Cycle 2 Wenonah Fm. Marshalltown Fm. us Cycle 3 Meters 0 Feet Englishtown Fm Key ravel Woodbury Clay Hadrosaurus foulkii Nodosaurid ankylosaur Dryptosaurus (Tyrannosaur?) Ornithomimosaur (Coelosaurus) Hadrosaurs (Hadrosaurus spp.) Cycle 1 Sand Merchantville Fm. Silt - Mud Figure 1. Upper Cretaceous Stratigraphy of the New Jersey Coastal Plain 2 Long Island s eology lauconite
19 lacial deposits (20 thousand years) Barrier Islands (recent) Coastal plain (70 million years) Basement bedrock (450 million years) Ice-thrusted blocks of Cretaceous coastal plain sediments Pleistocene Pebbly glacial outwash Cretaceous Clean, white sand
20 Cretaceous Clay layer Cretaceous flower fossil, Lloyd Neck, L.I. Cretaceous fern fossil, Lloyd Neck, L.I.
21 Phanerozoic Proterozoic Archean Hadean 0 Ma 540 Ma renville Orogeny 2500 Ma 3800 Ma 4600 Ma C M P Cenozoic Mesozoic Paleozoic Quat. Carb. Tertiary Paleogene Neogene Cretaceous Jurassic Triassic Permian Devonian Silurian Ordovician Cambrian Modern eologic Time Scale Pennsylvanian Mississippian Quat. = Quaternary Carb. = Carboniferous Holocene Pleistocene Pliocene Miocene Oligocene Eocene Paleocene Ma No record in NY Passive margin Rifting of Pangea erosion Alleghenian Orogeny Passive margin Acadian Orogeny Passive margin Taconic Orogeny Passive margin
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