Examples of GENRE. 1  This book is a classic of the mystery genre. 2  genre. 3  In genre fiction there is an implied contract between writer and reader that justice of a kind will be exacted; âgoodâ may not always triumph over âevil,â but the distinction between the two must be honored.ull Definition of GENRE. 1. : a category of artistic, musical, or literary composition characterized by a particular style, form, or content.
Often, lava cools over a few days to weeks and minerals have enough time to form but not time to grow into large crystals. Basalt is the most common type of extrusive igneous rock and the most common rock type at the Earth's surface. Last modified June 17, 2003 by Lisa Gardiner.
This rapid cooling does not allow the rock time to form large crystals in the way that intrusive rocks do. Extrusive rocks have a fine-grained texture known to geologists as aphanitic, because the mineral crystals present within the rock are very small. Examples of extrusive igneous rocks are basalt and obsidian. Mineral Composition