Jun 11, 2025 · Plymouth, town (township), Plymouth county, southeastern Massachusetts, U.S.It lies on Plymouth Bay, 37 miles (60 km) southeast of Boston.It was the site of the first …

May 7, 2025 · Metamorphic rock, any rock that results from the alteration of preexisting rocks in response to changing conditions, such as variations in temperature, pressure, and mechanical …

Jun 14, 2025 · rock, form of popular music that emerged in the 1950s.. It is certainly arguable that by the end of the 20th century rock was the world’s dominant form of popular music. …

Plymouth Rock, granite slab upon which, according to tradition, the Pilgrim Fathers stepped first after disembarking from the Mayflower on December 26, 1620, at what became the colony of …

The Standing Rock protests were a campaign undertaken in North Dakota in 2016 and 2017 to halt the construction of the Dakota Access pipeline. Early resistance to the pipeline was …

May 12, 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 …

claystone, hardened clay.Some geologists further restrict the term to a sedimentary rock that is composed primarily of clay-sized particles (less than 1 / 256 millimetre in diameter) and is not …

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…

Jun 14, 2025 · Rock - 1960s, British Invasion, Psychedelic: Whatever the commercial forces at play (and despite the continuing industry belief that this was pop music as transitory novelty), it …

Rock and roll, style of popular music that originated in the United States in the mid-1950s and that evolved by the mid-1960s into the more encompassing international style known as rock …