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- DictionaryAc·id rock/æsɪdˈrɒk/
noun
- 1. a type of rock music, mainly of the late 1960s, associated with or inspired by the use of hallucinogenic drugs.
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When defined specifically as a hard rock variant of psychedelia, acid rock is distinguished as having evolved from the 1960s garage punk movement, with many of its bands eventually transforming into heavy metal acts. Percussionist John Beck defines "acid rock" as synonymous with hard rock and heavy metal.
Acidic rock or acid rock refers to the chemical composition of igneous rocks that has 63% wt% SiO 2 content. [1] Rocks described as acidic usually contain more than 20% of free quartz. [2] Typical acidic rocks are granite or rhyolite . The term is used in chemical classification of igneous rock based on the content of silica (SiO 2 ).
Jun 7, 2021 · Acid Rock Music Guide: 4 Characteristics of Acid Rock. Written by MasterClass. Last updated: Jun 7, 2021 • 4 min read. The psychedelic rock music that emanated from late 1960s San Francisco, London, and New York is sometimes referred to as acid rock.
Aug 3, 2020 · The meaning of ACID ROCK is rock music with lyrics and sound relating to or suggestive of drug-induced experiences.
Acid rock is a loosely defined type of rock music that evolved out of the mid-1960s garage punk movement and helped launch the psychedelic subculture.
Jan 29, 2020 · A combination of distorted sounds and improvised playing, acid rock mirrored the spaced-out experiences of its audience, creating a whole new musical landscape. It changed the course of rock music as much as the electric guitar did, or indeed the blues. But first a word from our sponsor.
Definition. Acid mine and acid rock drainage (AMD/ARD) refer to the extremely acidic (pH < 3), metal-rich waters that are derived from the weathering of sulfidic minerals when exposed to air, water, and microorganisms (Figure 1; Nordstrom and Alpers, 1999; Bond et al., 2000 ): Acid Rock Drainage. Figure 1.
