What did cox and dalrymple study in owens valley, california?

Cox and Dalrymple studied geomagnetic reversals in Owens Valley, California. This was within the subject of plate tectonics. They won many prizes for this. They were both geophysicists and Allan Cox himself wrote two books and hundreds of scientific essays regarding plate tectonics and won many awards for his work.

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Answer light in color; silica-rich;