Thrifts in the Rust Belt held massive deposits for which they had no demand.

This massive organic deposit later became heated and transformed under pressure into oil.

These massive deposits gave birth to a healthy mining industry that still extracts the grey, sea green, and red material.

The town is situated on massive deposits of salt, and salt has been extracted there since ancient times.

In 1886, gold was discovered at an outcrop near modern-day Johannesburg; it became clear there were massive deposits of gold.

In 2010, Israel discovered massive deposits of natural gas off its coast in the Mediterranean Sea.

That was okay, except that massive pelagic deposits could have an unknown effect on the tectonic plates.

And I found a massive deposit of calvinum.

Although the gold ore was lean, it was a massive deposit that remained as an active mine until 2002.

Radar results consistent with massive deposits of water ice in middle latitudes support a debris-covered glacier hypothesis.