The rock-forming temperatures and pressures represent the p-T points of the local regions in the lithosphere at a certain age, providing some important informat
As gravity field, magnetic field, electric field and reismic wave field are all physical fields, their object function, reverse function and compound function a
Some extraditional types-black rock series types of platinum group element (PGE), gold and silver mineralization occurrences were found in the Lower Cambrian in