Harker, A., Metamorphism, second ed. (London, 1939).

CLAY mineralogical analyses have been important in sedimentology, in studies of the genesis and behaviour of soils and in ceramics. The effect of high temperatures on clay minerals has also often been ...

Following a short break for the July 4th holiday, Perseverance drove westward to a site called "Westport," where the clay-bearing "Krokodillen" unit meets an olivine-bearing rock formation. It is ...