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.
1 Obsidian is the only glassy igneous rock, and can be identified by its dark color. 2  This looks like dark black glass. 3  Vesicular igneous rocks, such as pumice, look bubbly and form before gases are able to escape as lava forms the rock. 4  This also formed with very rapid cooling. An example of an intrusive rock is granite. 2  When magma is above the earth's crust, it is known as lava. 3  Extrusive rocks form through very fast cooling of lava above the Earth's surface. 4  Extrusive rocks have very small, almost microscopic crystals.