Rock is a form of popular music that emerged in the 1950s and that by the end of the 20th century was the world’s dominant form of popular music. It originated in the United States and spread …

Rock, or stone, is a hard material made up of one or more minerals. Rock makes up the outer layer of Earth, called the crust. The lower parts of this layer are solid rock, or…

Rock - 80s, 90s, Pop: The music industry was rescued from its economic crisis by the development in the 1980s of a new technology, digital recording. Vinyl records were replaced …

In Britain, as in the rest of Europe, rock and roll had an immediate youth appeal—each country soon had its own Elvis Presley—but it made little impact on national music media, as …

Sedimentary rock texture is determined by the size, shape, and fabric (grain packing and orientation) of the discrete grains or particles in the rock. It affects such derived properties of …

Introduction Rock is a naturally occurring solid material composed of one or more minerals. It is a basic component of Earth, providing the main substance of all but the innermost layers. The …

Introduction Sedimentary rock is one of three types of rock found on Earth. The others are called igneous and metamorphic. Igneous and metamorphic rocks are the most common rock types …

The distinctive rock formation has become a popular tourist site. Other attractions in the area include a wildlife park, a salt lake, and a large eroded rock named Hippo’s Yawn, which looks …

Oct 2, 2025 · Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and …

This is an alphabetically ordered list of bands. See also band, rock, alternative rock, popular music, heavy metal, grunge, psychedelic rock, punk, and country music.