The Sudbury Event

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by NTylerSG
Last updated 8 years ago

Earth Sciences

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The Sudbury Event

The Sudbury Event

You dont know pain; I have bruises from 1850 Ma.

The Sudbury Event was formed in 1850 Ma. It is composed of the Sudbury Basin, Igneous Complex and Breccia.

This is a map of Greater Sudbury that illustrates the rocks and minerals that can be found in the Sudbury Event and throughout the region. Some of those in the Nickel Irruption and Whitewater Group consist of Nickel, Copper, Quartz, Granite, Greenstones and many others.

And with this next meteor, another's on it's way!

There were 5 significant age deformation events of the Sudbury Event: 1. Sudbury Igneous Complex2. Penokean Orogeny3. Mazatzal Orogeny4. Grenville Orogeny5.Lake Wanapitei

1.8 billion years of weathering made it a challenge to determine the true cause of the origin of the Sudbury Event. Since it was discovered that Sudbury was once a volcanically active area, it was postulated that the area could have been formed by typical igneous rock formations. Shatter cones and shock-deformed quartz crystals were discovered in the underlying rock of the basin was discovered in the 1960s which then led to the general agreement that the formation was of meteor origin in the 1970s.

When the meteor made the crater which contained magma, it left behind many rocks and minerals like nickel, copper, gold , pseudotachylite and many others. This and the sedimentary processes in the future developed the crust formation, rocks and minerals it has today.

The many rocks and minerals that can be found in the region are evidence of the types of igneous and sedimentary processes that have taken place in the crustal formation.


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