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Earth History > References > Flashcards

References Flashcards

1
Q

Extinction (Shen and Zhang, 2017)

A

Permian was the worst extinction event with 95% marine and 75% terrestrial loss

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2
Q

Extinction (P.G. Bond, 2020)

A

1st GW and 2nd pulse volcanism mya for Ordovician

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3
Q

Extinction (Wignall and Bond, 2008)

A

(F-F) Frasnian Famenmian event in Devonian

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4
Q

Extinction (Saunders and Reichow, 2009)

A

5x100km2 Siberia in flood basalt

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5
Q

Extinction (The Guardian, 2022)

A

Cretaceous tsunami 30,000 x bigger than Boxing Day

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6
Q

Snow/slush (Brittanica, 2024)

A

Snowball def, Proterozoic Eon, at least 2 extreme cooling events

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7
Q

Snow/slush (Cowen’s history of life, 2019)

A

-Slushball def
-Slushball habitability - photosynthetic organisms

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8
Q

Snow/slush (Courtney-Davis, 2024)

A

Quartz veins geochronology dating - ev of snowball

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9
Q

Snow/slush (Voigt et al, 2011)

A

-Cooling attributed to atmo C02 rise and less solar luminosity
-Ice-albedo feedback (sim)

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10
Q

Snow/slush (Hoffman, 2002)

A

Snow habitability - prokaryotic organisms/bacteria

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11
Q

Snow/slush (Micheels and Montenari, 2008)

A

Snow temp -70 at poles, -45 everywhere else

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12
Q

Anthropocene (L.Chua, 2019)

A

“Age of mankind”

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13
Q

Anthropocene (Mahaswa, 2021)

A

Methane from rice paddies altering biodiversity

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14
Q

Anthropocene (Greenly, 2024)

A

39% atmo C02 increase since 1750

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15
Q

Anthropocene (Heyd, 2022)

A

Radioactive isotopes in ice cores, marker for human influence

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16
Q

Flight (Norbert, 2007)

A

Evo of flight in animals has been long debated, with different hypotheses suggested for their origins

17
Q

Flight (Flegr, 2023)

A

Insect wings preadapted and developed from exoskeletal extensions

18
Q

Flight (Pittman, 2022)

A

Enhanced upstroke for birds, rely on shoulder muscles, sig step

19
Q

Flight (Anderson, 2020)

A

Bats are a quarter of all mammalian species

Earth History (6 decks)

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