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.
Michigan designated robin redbreast (American robin) as the official state bird in 1931 after an election held by the Michigan Audubon Society. The legislation noted that the robin redbreast is the best known and best loved of all the birds in the state of Michigan.. The American robin (Turdus migratorius) is also the state bird of Connecticut and Wisconsin.