It should be noted that that unconformity is a deposits folded rock layer caused by hot spots igneous intrus.
What is unconformity?
unconformity do occur when there is deformation by an older rock before a younger rock layer, usually sedimentary, is laid down on it .
This is usually as a results of mismatched rock layers.
Learn more about unconformity at;
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<span>And igneous rock sample is about 250,000 years old. Would you use uranium-lead radiometric dating to find its age?
Yes, wikipedia says "</span><span>It can be used to </span>date<span> rocks that formed and crystallised from about 1 million years to over 4.5 billion years ago with routine precisions in the 0.1–1 percent range.</span>"
Therefore, 250,000 years can be compared
The answer is b an astronomical unit
Answer:
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