Copy of Cenozoic Era Lab

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Apr 3, 2024

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Cenozoic Era Lab Name__________________ Part 1 Paleogene and Neogene Geology Complete Parts A, B, C & D and record your answers below. A1 The Paleogene and Neogene Periods are part of the ___Phanerozoic_________ Eon. A2 The Paleogene and Neogene Periods are part of the ___Cenozoic ____________ Era. A3 What are the boundary ages for the Paleogene Period?66 to 23 Ma A4 What are the boundary ages for the Neogene Period? 23 to 2.58 Ma A5 The Paleogene Period contains what THREE Epochs? Paleocene c. Oligocene d. Eocene A6 The Neogene Period contains what TWO Epochs? Miocene Pliocene A7 Which one of the following lists is in the correct age order (from oldest to youngest)?

Paleocene - Eocene - Oligocene - Miocene - Pliocene A8 Fossil remains of a horse are recovered from a floodplain deposit that is 45 Ma in age. During what geologic Epoch did the horse live? Eocene B9 The Alpine Orogeny involved what two tectonic plates? Baltica & Africa B10 The Columbia River Flood Basalts erupted during what Cenozoic Epoch? Miocene B11 Which one of the following is an Eocene rock unit that represents lacustrine (lake) deposition and contains vertebrate, invertebrate, and plant fossils? Green River Formation B12 Which one of the following is an Eocene rock unit that represents marine deposition and contains vertebrate, invertebrate, and plant fossils? Aquia Formation B13 A Paleogene impact event occurred at 35.5 Ma in the Chesapeake Bay area of the eastern USA. T / F True B14 Grass, cotton, cactus, bananas, and palm trees did not appear until the Neogene Epoch. T / Ffalse B15 Match each name with its correct animal type.

B16 What mountains were forming in western North America during the early Paleogene?Sevier Highlands B17 The fluvial lacustrine ______Claron Formation ____________ was deposited during the late Paleocene and early Eocene in southwestern Utah & forms the Pink Cliffs of the Grand Staircase National Monument, Bryce Canyon National Park, and Cedar Breaks National Monument. B18 What Eocene sedimentary unit was deposited by north-flowing streams in the Mogollon Rim area of Arizona? Rim gravels B19 Which one of the following was NOT a factor in forming the Basin and Range physiographic province? subduction beneath the Cascade continental arc B20 Match each name with its correct label.

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C21 Bryce Canyon NP is located ___ne_______ of Zion NP and ____se_____ of Lake Powell. C22 Match each map unit symbol with its correct formation.

C23 Place each map unit in the correct age order (from oldest on the left to youngest on the right). When done, click on "Check answers" to see your score. Skip to D36 D36 Match each map unit symbol with its correct rock formation.

D37 Place each map unit in the correct age order (from oldest on the left to youngest on the right). D38 Match each map unit symbol with its best representative image. D39 Which member of the Camels Head Formation has the largest clasts? c. Barnes Butte Breccia

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Skip to D45 D45 By looking at the Time Relation of Map Units section, which one of the following is the youngest geologic event that occurred in the Tempe Quadrangle?Meandering streams deposited sand and silt (alluvium). D46 What is the most likely relative sequence (from oldest to youngest) for this cross section?Xm1 - Xm2 - YXg - Yg - Tg - Td - Tsb - Tsm - Tv - Z - Y - X - Tsy - QTs D47 What type of unconformity is U 1 ? angular unconformity D48 Bell Butte, Tempe Butte and the Papago Buttes are all capped by the same type of rock. T / F false D49 Dip-slip faults X, Y, and Z are all ___normal __________ faults. D50 The age of unit Ta is 17.6 Ma, when did the extensional tectonism occur that formed faults X, Y, and Z?During the Miocene Basin and Range Disturbance

Part 2 Quaternary Geology Complete Parts A & B and record your answers below. A1 What is the range of geologic time spanned by the Quaternary Period? 2.58 to 0 Ma A2 What are the TWO Epochs of the Quaternary Period? Pleistocene Holocene A3 0.0117 Ma = __11700_______ a (years) B4 Which one of the following orogenies continued into the Quaternary Period? Himalayan B5 The final Pleistocene glaciation is also known as the _______Wisconsinan _____ B6 The tar pits at Rancho la Brea, California, existed in the latest Pleistocene, and include several different fossil types. T / F true B7 Which one of these localities is the oldest? Olduvai Gorge B8 The Barringer impact event occurred about _________49000__ years ago in Arizona (USA). B9 Which one of the following is an even-toed ungulate (artiodactyla)? bison B10 What Quaternary animal most likely created this track?

hominid B11 What Quaternary animal most likely created this track? dog B12 What Quaternary animal most likely created this track? bear B13 What two, large Pleistocene lakes existed in the Basin and Range? Lahonton Bonneville B14 What is the name used to refer to the extensive area of mountain ranges, plateaus, and basins in western North America? North American Cordillera B15 What physiographic province is roughly centered on the Four Corners area? Colorado Plateau B16 highest elevation : lowest elevation Great Basin Desert : Mojave Desert

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Copy of Cenozoic Era Lab

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