Davis County Clipper | 1917-08-03 | Page 4 | The Geologists' Clock

thi the geologists clock the fossil shells of the early inver te brates are always of great imbor tance to geologists for they indicate the period in which the rock beds thai lito contain them were formed in other words the age of the rock lv ev rock roch bed contains cliar act forms or groups of torn forn that deterra determine lne the period in whirl 0 was mud or sand the economan tin im of at geology has been wil ly shown in the earlier exploit of anthracite coal thousand ot of dollars were wasted searching lor c v tl beds in new york until the grolo goolo i of the state showed that the beds beas a that state could not contain coal since the fossils showed that tho lie be longed to the devonian age whereas wh ercia the pennsylvanian Pennsyl anthracite ofal beds are of the carboniferous uge much later period that discovers stopped the useless expenditure tin tilt study of the animal and plant remains that are embedded in the rocks has thus become an important part of gf and although the specialists engaged ga ed in tin study ore are few their work bori vi 9 of tb alit importance