These are the homemade conglomerate rocks the class made out of sand, pebbles and glues. (Journal photo by Christie Bleck) The class schedule includes topics like “Creatures of the Deep” and ...
The rocks are divided into three series ... or more of clays, sandstone, and conglomerate, is regarded as of lacustrine origin; and the upper, 2000 ft. of massive conglomerates, as, torrential.
What excited scientists the most, though, were the pictures beaming back to Earth showing rounded pebbles and "conglomerate" rocks that indicated something pushing different types of soil together ...