👉 Terrane is a scientific concept in geology. It refers to various geological layers or units of rock, which are typically subdivided into three main types: basalt, pyroclastic, and rhyolite. These layers are known for their distinct compositions and structures, and they are used as indicators of the age and origin of different rocks. Terranes can be divided into two main groups: 1. Basaltic terranes (Basalts): These terranes are composed primarily
