History of the Earth Part 5

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Can you name the history of the Earth term?

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rocks fused into glass by shock waves
what element was found in 30x its normal concentration at the K-T boundary?
term for trace fossils of trilobites
term for exposed part of a craton
What we term the Late Permian extinction - the greatest diversity loss of all extinctions
what a crinoid attaches itself to the sea floor with
term for tiny skeletal pieces
large accumulations of mafic igneous rock accumulated in a short time interval (ie. areas of extensive basalt flows)
what did charles walcott discover?
Term for shallow inland seas
orogeny associated with the building of the supercontinent Rodinia
country with largest meteorite crater
cones with a distinctly conical shape
thick assemblage of sediments, often lens-shaped in profile, eroded and deposited landward of a mountain chain
Orogeny associated with the close of the Iapetus ocean
ancient micro-continent added to another piece of crust
glassy particles formed during impact when molten rock is ejected
Name of the earliest recognizable North American continent
Where would the asteroid that caused the K/T extinction have hit?
term for anthropods with calcereous skin
what a crinoid is topped with
what percent of the global nickel supply does Canada provide? (enter with numerals, no percent sign)
name of crater like structure that is attributed to having been caused by the asteroid that caused the K/T extinction
Name of second largest crater (it is located in Canada)
an organic gemstone
Name of Formation with the earliest glacial deposits
oldest part of modern continents
place where oldest Ediacaran fossils can be found

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