History of the Earth Part 5

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Can you name the history of the Earth term?

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

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