Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

Collectors of all ages have always been interested in rocks and the minerals that make them up. They come in countless shapes, sizes and colors. There are three main types of rocks: sedimentary, ...

A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils. While reading this article may not turn you into a geologist, it should give you the basic ...

One way to understand the Earth’s crust is to begin long ago and far away: surveying eons of geological time, attending to ancient eruptions, and describing igneous, sedimentary and metamorphic rock.

Petrology is the study of the macroscopic and microscopic mineralogical and chemical composition of rocks. In addition to assessing sedimentary, igneous, and metamorphic rocks that are accessible at ...

Dredged rock material in the Collection dates from the early part of the 1900s. The Collection has slowly evolved from individual bags of rock to thousands of wooden storage boxes full of rock, housed ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.

Bengaluru, known for its technological advancements, is home to the Peninsular Gneiss, a remarkable rock formation approximately 3.4 billion years old. This ancient geological treasure, situated in ...

During this time, collection visits will be available by appointment and other special access requests will be considered on a case-by-case basis. Please email [email protected] for more ...