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Connecticut's Geohistory

Terms in this set (35)

Marble
Coral Reefs
Schist
Oceanic Crust (Iapetos Ocean)
Granite
Avalonia
Conglomerate
Alluvial Fan
Sandstone
Mudflats, River Deposits
Shale
Lake Mud
Basalt
Lava Flows
grey
Deep water creates --- shale
brown
Shallow water creates --- shale
Dinosaur Tracks
The Connecticut Valley is famous for what type of fossil
Microearthquakes
What is the cause of noises in Moodus, CT?
Honeyhill-Char Lake Fault
The boundary line in CT that is overdue for a 4.0 or greater magnitude earthquake
Holyoke mt. range
What range/formation/layer is Renbrook on?
yes
Is the youngest layered formation on the top?
2,000
How many dino tracks are located at Dinosaur State Park?
Proto North America
The previous version of North America that collided with the Iapetus Ocean and Avalonia. Marble an Quartzite. (Limestone and Sandstone).
Avalonia
Squished together with Iapetos Ocean to form Pangaea. Part of Avalonia remained on CT
Coral Reefs
__________ onlyy exist in tropical and sub-tropical waters and are crushed shells eventually will form the kind of rock, marble.
Iapetos Ocean
The Honeyhill- Lake Char Fault separates Avalonia from a region of the ________.
Iapetos Ocean
The Ocean in between Proto-North America and Proto Africa
Proto North America is the A section
On a map, what is the A section?
Iapetos Ocean is the B section
On a map, what is the B section?
CT Valley or Central Valley is the C section
On a map, what is the C section?
Avalonia is the D section
On a map, what is the D section?
Volcanic Island Arc is the E section
On a map, what is the E section?
Sections B and D
Between what two sections are the boundary line that is overdue for a 4.0 magnitude?
Eubrontes
What dinosaur/bird is the state fossil of CT?
3 toes
How many toes does a Eubrontes contain?
Dilophosaurus
Since they don't know the real name for the Eubrontes track, they think it might be what?
marble
We know that coral reefs once existed because we find the rock called ________ in CT
Northwest Hills
The highest elevation in CT is in the ________.
1 billion
The oldest rocks in CT are approximately ________ and are found in the northwest hills.
Avalonia
_______ was once a small continent.
Granite
We know that Avalonia was a small continental island because its continental bedrock is made of the rock called _________.
Basalt
The rock called ________ is metamorphed into schist.
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