The Collection has slowly evolved from individual bags of ... During the same decade, Albert Engel dredged and collected extensive volcanic and metamorphic rocks from throughout the Pacific as well as ...

There are three main types of rock: igneous rock, metamorphic rock, and sedimentary rock. Almost all fossils are preserved in sedimentary rock. Organisms that live in topographically low places (such ...

The sediment comes from eroded rocks carried there by rivers or ice, and from the skeletons of sea creatures. Metamorphic rocks close metamorphic rockMetamorphic rocks are those rocks which have ...