Question

Present day Oklahoma was a shallow sea some 400 million years ago. According to our textbook what happened approximately 300 million years ago that drastically changed the geographic and geologic make-up of our state? Describe in DETAIL the basins, mountain ranges and the deposits of resources.

Option 1: Formation of the Ouachita Mountains and rich mineral deposits
Option 2: Glacial activity in the region and the creation of fertile soil
Option 3: Severe volcanic eruptions leading to the Wichita Mountains
Option 4: The impact of a massive asteroid causing unique geological formations

Answer 1

Approximately 300 million years ago, the formation of the Ouachita Mountains drastically changed the geographic and geologic make-up of present-day Oklahoma. This event resulted in the uplift of mountains and the deposition of rich mineral resources.

Step-by-step explanation:

The correct answer is Option 1: Formation of the Ouachita Mountains and rich mineral deposits.

Approximately 300 million years ago, the Ouachita Mountains were formed in present-day Oklahoma. These mountains were a result of the collision between the North American and South American plates during the Alleghenian orogeny. The collision caused intense folding and faulting, resulting in the uplift and formation of the Ouachita Mountains. These mountains are known for their rich mineral deposits, including lead, zinc, and quartz.

The mineral resources in this region have played a significant role in the economic development of Oklahoma.