Why are metamorphic rocks difficult to date accurately? What will be an ideal response?
Heat and pressure may cause the parent or daughter isotope to leak from the mineral being analyzed. If
the daughter is completely lost from the system, the date calculated would be the time since
metamorphism. The decay rate of the parent will not change though.
You might also like to view...
Which of the following two organizations were conceived to promote development after World War II and to avoid a repetition of the disastrous economic policies that contributed to the Great Depression?
A) The IMF and the World Bank B) The UN and the WTO C) The WTO and the World Bank D) The UN and the World Bank E) WHO and the WTO
According to the Milankovitch theory, variations in Earth's orbit and axial tilt can trigger long-term climatic changes and prompt the start and end of ice ages
Indicate whether the statement is true or false
Global warming is not expected to involve changes in rainfall
Indicate whether the statement is true or false
Though occupying only 7% of the world's total land area, tropical rain forest's account for approximately 50% of the Earth's species and about half of its remaining forests
Indicate whether the statement is true or false