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.
The robin's claim to the title of official state bird of Michigan has been challenged from a group of 3rd, 4th, & 5th graders. They arrived at the state capital in 2003 to lobby for the Kirtland's Warbler as the state bird of Michigan.