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作者编者:许国安|责编:吴学兵
出版社中国矿业大学出版社
ISBN9787564649838
出版时间2020-09
装帧平装
开本16开
定价36元
货号11083743
上书时间2024-05-06
1 Rocks1.1 Rock and its formation1.1.1 Definition of rocks
Rocks are naturally occurring solid aggregates of one or more minerals ormineraloids that are either tightly compacted or held together by a cement—likemineral matrix.The earth iS made of rock.from the tallest mountains to thefloor of the deepest ocean.Figure 1-1 is a picture of rocks on Jiuhuang mountainin Beichuan county,Sichuan province.Thousands of different types of rocks havebeen Found on earth1.1.2 Composition of rocks
Rocks consist of solid particles such as grains and crystals with void spacein between.The void space can be occupied by air or water or both.So,likesoils,rocks are three—phase materials.The components of a rock can berepresented by the phase diagram in Figure 1—2 and several parameters can hedefined such as porosity,water absorption and density.
Minerals are pure substances found in nature.Minerals are defined bygeologists as naturally occurring inorganic solids that have an ordered internalstructure and a definite chemical composition.TO meet the definition of
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