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    Dating of rocks ppt

    One of the oldest types of rocks on our planet, metamorphic rocks are mainly formed due to changes in the parameters of temperature and pressure, which act on the parent material.

    Their study provides us with important data regarding formation of the Earth and the past geological environment.

    Read this Buzzle article to gain extensive information about the main features of these rocks.

    dating of rocks ppt-35dating of rocks ppt-73dating of rocks ppt-63

    Rocks are classified by their mineral and chemical composition, by the texture of the constituent particles and by the processes that formed them.Laurasia and Gondwana joined approximately 275 million years ago to form the supercontinent of Pangea.The breakup of Pangea is still going on today and contributes in the formation of the Atlantic Ocean.has a Greek origin, and has been derived from 'meta', meaning change and 'morph', meaning form.Metamorphic rocks are formed mainly due to changes in pressure and temperature, thereby, transforming the original/parent igneous and/or sedimentary rocks.

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      Traditionally, in the case of a formal engagement, it has been perceived that it is the role of a male to actively "court" or "woo" a female, thus encouraging her to understand him and her receptiveness to a proposal of marriage.

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