Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Tectonic Unit

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_2434

A tectonic unit is an area of land that is different from the surrounding areas and has the same or similar geologic characteristics (geological structure, sedimentary structure, magmatic activity, and metamorphism) and evolutionary history. The traditional geosyncline-platform theory, which is based on crustal activity, includes two basic tectonic units: geosynclines (active zones) and platforms (stable areas). Plate tectonics divides the globe into primary structural units, including six major plates, and each primary structural unit can be further subdivided into secondary tectonic units.

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