Common examples of igneous rocks, which are demonstrated for studying rock characteristics include pumice, basalt, granite, gabbro, obsidian and rhyolite.he most abundant rock in the earth's crust is none other than the igneous rock type. It alone accounts to about 90 percent of all rocks in the top layer of the earth's crust.
The official state bird of Florida is the Northern Mocking bird, at least for now. The Florida Scrub Jay or possibly the Osprey may end up ousting the Mockingbird as our state bird.
Adopted on September 6, 1927. The Yellowhammer, (Colaptes auratus, Linnaeus,) a flicker, was adopted as Alabama official state bird on September 6, 1927. The bill to create a state bird was introduced in the 1927 legislature by Representative Thomas E. Martin, of Montgomery County. It was approved the same day the goldenrod became the state flower.