Which geologic event occurred most recently? A) initial opening of the Atlantic Ocean B) formation of the Hudson Highlands C) formation of the Catskill delta D) collision of North America and Africa

A) initial opening of the Atlantic Ocean

Explanation:

The opening of the Atlantic ocean began about 140 million years ago as a result of the separation of Africa from South America. The major phase of the opening of the Atlantic ocean occurred in the early Cenozoic, as Laurentia separated from Eurasia.

The formation of the Hudson Highlands was during the Ordovician period about 460-440 million years ago as a result of collisions of arc shaped volcanic islands in North America.

The Catskill delta was formed during the middle and late Denonian period about 416 million years ago in the northeastern United States. It lasted for about 57 years and is made of mostly sedimentary rocks.

The collision of North America and Africa occurred about 325 million to 260 million years ago. The collision caused an Alleghanian orogeny.

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