WebJun 14, 2010 · See answer (1) Best Answer. Copy. Hard rock is rock that doesn't wear away easily (resistent rock), therefore, soft rock is rock that does wear away easily. i.e. that is way the coast is so uneven, because it hasn't got resistent levels of rock being continously hit by destructive waves. Wiki User. WebDec 28, 2012 · Hard rocks are those types of rocks which are made up of hard substances like granite and basalt. They erode and weather slowly. Soft rocks are those types of rocks which are made up of substances like clay, shale and some sandstone which erode more rapidly and create more gently sloping cliffs.
Types of Hard Rocks All Hard Rocks - Compare Nature
WebJul 21, 2007 · As an example, diamond (10) is about 4-5 times harder than corundum (9), which is about 2 times harder than topaz (8). Individual … WebSoft Rock, Hard Rock, and Early Heavy Metal. Since the late 1960s, it has been popular to split contemporary rock music into soft and hard rock. Soft rock was mostly drawn from folk rock, using acoustic instruments and adding more emphasis on rhythm and harmonies. Major singers include Carole King, Cat Stevens and James Taylor. friendship seven flight
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WebUnderground hard-rock mining refers to various underground mining techniques used to excavate "hard" minerals, usually those containing metals, such as ore containing gold, silver, iron, copper, zinc, nickel, tin, … WebAnswer (1 of 5): hardrock and soft rock are the terms which are not commonly used in geology as reference .. as far as hard rock is concerned the rocks with ability to stand … Skarn – Hard, coarse-grained, hydrothermally altered metamorphic rocks; Slate – Metamorphic rock - A low grade metamorphic rock formed from shale or silts; Suevite – Rock consisting partly of melted material formed during an impact event – A rock formed by partial melting during a meteorite impact See more The following is a list of rock types recognized by geologists. There is no agreed number of specific types of rocks. Any unique combination of chemical composition, mineralogy, grain size, texture, or other … See more • Anthracite – Hard, compact variety of coal • Amphibolite – A metamorphic rock containing mainly amphibole and plagioclase • Blueschist – Type of metavolcanic rock See more • Geology portal • Earth sciences portal • List of minerals – List of minerals with Wikipedia articles See more • Adakite – Volcanic rock type • Andesite – Type of volcanic rock • Alkali feldspar granite – Type of igneous rock rich in alkali feldspar • Anorthosite – Mafic intrusive igneous rock composed predominantly of plagioclase See more • Argillite – Sedimentary rock, mostly of indurated clay particles • Arkose – Type of sandstone containing at least 25% feldspar See more The following are terms for rocks that are not petrographically or genetically distinct but are defined according to various other criteria; most are specific classes of other rocks, or altered versions of existing rocks. Some archaic and vernacular terms for rocks are also … See more • British Geological Survey rock classification scheme • Igneous rock classification Archived 2005-08-29 at the Wayback Machine • Rock Types Article by Encyclopædia Britannica See more fayol 5 principles of management