Science Olympiad Dynamic Planet Practice Test 2025 – Your Comprehensive Guide to Success!

Question: 1 / 400

What type of terrane is defined by its distinctive geologic history and identifiable suture zone?

Accreting terrane

Tectonostratigraphic terrane

A tectonostratigraphic terrane is characterized by a specific geologic history and is identified by distinct physical and stratigraphic features that are often outlined by a suture zone. This term is used to define a segment of the Earth's crust that has a unique geological history that is distinguishable from the surrounding regions. The suture zone, which marks the boundaries between different terranes, can indicate past tectonic events such as the collision of continental plates or the accretion of different geological units.

The distinctive geologic history can include aspects like the age of rock formations, the types of rock present, and the evolutionary processes that shaped the terrane. This classification is crucial for understanding the tectonic evolution of regions and how various geological features form and are related to one another.

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Orogenic terrane

Subduction zone terrane

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