A joint is defined as a fracture in a rock between the sides of which there is no observable relative movement. They are present is most consolidated rocks of igneous‚ metamorphic and sedimentary origin. Joints may form as a result of either diastrophism or contraction. Description: (i) A series of parallel joints is called a ’joint set’. (ii) Two or more joint sets intersecting each other produce a ’joint system’. (iii) Two sets of joints nearly at right angles to one another‚ produced by the
Premium Rock Igneous rock Sedimentary rock
About the Igneous rocks: The Igneous rocks are the oldest type of rocks among all. The word "Igneous" comes from a Greek word which means fire. In the deepest part of the Earth‚ the minerals are found in a liquid form‚ which is known as magma. When the magma pushes towards the surface of the Earth‚ it starts to get cool and converts into the solid Igneous rocks. The formation of Igneous Rocks: The Igneous rocks are known as the fire rocks and these are generally formed underground or above the
Premium Igneous rock Magma
Igneous Rocks Igneous rocks originate from deep within the Earth’s crust. Igneous rocks (from the Greek word for fire) are formed when magma crystallizes and solidifies. An increase in temperature‚ a change in the composition‚ or decrease in the pressure can cause melting of these rocks in the mantle which form igneous rocks. The melt begins deep below the surface of the Earth close to active plate boundaries. As the temperate increases the rocks rise toward the surface. Igneous rocks are divided
Premium Igneous rock
The History of Punk Rock What comes to your mind when you hear the word “punk?” Do you think of a violent‚ attention-seeking young person‚ or do you think of a rebellious teenager who is trying to go against the mainstream society? “Punk is about being 16 and saying no.” According to Encarta Dictionary: English‚ punk is a youth movement of the late 1970s‚ characterized by loud aggressive rock music‚ confrontational attitudes‚ body piercing‚ and unconventional hairstyles‚ makeup‚ and clothing
Premium Punk rock
in the 1950s‚ half of them would say rock n roll. In fact‚ to this day people still like to jam out on rock n roll. Rock n Roll was viewed in many point back then‚ and possibly a lot more. Some thought of it as a way to get pumped for anything‚ like a game or test. Other saw it as an enjoyable type of music that most people could agree on and talk about it. There were however‚ people who were against the music‚ especially Christians. They thought the
Premium Elvis Presley Rock and roll Blues
MUS1111: Rock Music History – Spring 2012 Mondays‚ Wednesdays‚ & Thursdays 10:30am-11:35 am Blackman Auditorium (Ell Hall) Professor: Junauro Landgrebe Office: 337 Ryder Phone: 617.373.7473 Email: J.Landgrebe@neu.edu (email is preferred) Office Hours: Wednesdays 12 PM – 1 PM or by appointment Teaching Assistant: Brian Bergeron Email: RockHistoryTA@gmail.com Course Objective: Survey rock music and it’s evolution from the 1920’s through current times. We will examine
Premium Rock music
Glam Rock: Then and Now By Brian Knight During the early 1970s‚ the music world was overcome by glam rock. There were two distinct characteristics to the Glam rock era. One was the sexual flamboyance exemplified by David Bowie and the other was proto-punk aggression illustrated by Iggy Pop. In popular culture‚ the sexual aspect of Glam rock took the limelight for it received the most media attention and the music was more accessible to the public. The hard rockers‚ such as Iggy Pop and MC5
Premium David Bowie Rock music
Metamorphic Rocks Axia College of the University of Phoenix Metamorphic rock is the transformation of an existing rock type in a process called metamorphism‚ which means change in form. Metamorphic rocks make up a large part of the Earth ’s crust and are classified by texture and by chemical and mineral assemblage (Murck‚ Skinner‚ & Mackenzie‚ 2008). Metamorphic rocks started out as some other type of rock‚ but have been substantially changed from their original igneous‚ sedimentary‚
Free Metamorphic rock Sedimentary rock
I Introduction Rock Music‚ group of related music styles that have dominated popular music in the West since about 1955. Rock music began in the United States‚ but it has influenced and in turn been shaped by a broad field of cultures and musical traditions‚ including gospel music‚ the blues‚ country-and-western music‚ classical music (see Music‚ Western)‚ folk music‚ electronic music‚ and the popular music of Asia‚ Africa‚ and Latin America (see Worldbeat). In addition to its use as a broad
Premium Blues Bass guitar Rock music
Psychedelic rock is a style of rock music that is inspired or influenced by psychedelic culture and attempts to replicate and enhance the mind-altering experiences of psychedelic drugs. It often uses new recording techniques and effects and draws on non-Western sources such as the ragas and drones of Indian music. It was pioneered by musicians including The Beatles‚ The Byrds‚ and The Yardbirds‚ emerging as a genre during the mid-1960s among folk rock and blues rock bands in the United Kingdom and
Premium Rock music