History of the Earth Part 5

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Can you name the history of the Earth term?

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

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Created Nov 30, 2010ReportNominate
Tags:earth, term