List of top Geology Questions on Geochronology asked in IIT JAM GG

In a mineralized staurolite-garnet-biotite schist, the estimated metasomatic sulfide mineralization is 4%, with ore mineral proportions of 30% chalcopyrite, 20% pyrite, and the rest being magnetite. The maximum grade of Cu will be   _ __ _ g/ton (Round off to the nearest integer)

One mole of a parent nuclide is undergoing radioactive decay. The fraction of atoms of this nuclide that has decayed after three half-lives is.................
In the \(^{87}Rb-^{87}Sr\) isotopic systematics applied to terrestrial rocks, the slope of the isochron \( (e^{\lambda t} - 1) \) can be approximated as \( \lambda t \), where \( \lambda \) is the decay constant and \( t \) is time. Choose the correct option that justifies this approximation.
Choose the material on which \(^{14}C\) dating technique can be correctly applied.