Which of the following lists the igneous events of Painted Canyon in their corre

Question

Which of the following lists the igneous events of Painted Canyon in their correct order, from oldest at the bottom to youngest at the top?

intrusion of granite, formation of pegmatite dikes, eruptions of basalt, pyroclastic eruptions

eruptions of basalt, pyroclastic eruptions, intrusion of granite, formation of pegmatite dikes

formation of pegmatite dikes, intrusion of granite, pyroclastic eruptions, eruptions of basalt

formation of   pegmatite dikes, pyroclastic eruptions, intrusion of granite, eruptions of   basalt

formation of   pegmatite dikes, pyroclastic eruptions, intrusion of granite, eruptions of   basalt

Explanation / Answer

Answer: C, Formation of Pegmetitie Dikes, Intrusion of Granite, Pyroclastic eruptions, eruptions of basalt.

This can be explained in terms of law of superimposition of strata, which states that the older rocks occur at the base and younger rocks at the top.

If we look at the Painted canyon we will observe that pegmatite intrusion is seen in only the older metamorphic, the granite intrusion overlies the older sedimentary strata. The pyroclastics are reportedly occurring at lower horizon as compared to basalt, which occurs at the top of the sedimentary strata.

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