Question

1. Valcouroceras is a New York State index fossil. Which mountain-building event

Answer 1

"Taconian orogeny" mountain-building event  occurred in New York State during the time when Valcouroceras was living in oceans  covering parts of New York State.

Option: C

Explanation:

A timeframe of mountain construction, which ended 440 million years earlier is known as the Taconic orogeny. A tremendous network of mountains developed from eastern Canada down to what is today the US East Coast Piedmont.

As the mountain range deteriorated during the Silurian and Devonian periods, sediments from the mountain range dispersed across the Appalachians and midcontinental North America of today. It took place when a terrane or sequence of terranes i.e volcanic arcs and microcontinents collide with east North America in a subduction zone that dips east.