| OCR Text |
Show 13 fill rna. terial, the original thickness of the unit could have baen considerably greater' than the 3,200 feet that General The Nineral Fork Formation to southeast line Lrunediately canyon, shown as by' Series. Relationships pinches the northwest of the the »tual Formation out rapidly norlhwest on a. following relatiohips. stUdy in area, unconformably Big Cottonwood overlies the in Little Cottonwood South of Alta, tOday. be observed can Canyon, Big Cottonwood the Tintic Quartz r. ite unconformably overlies the Mineral Fork lies four miles the midway Big Cottonwood Series. Even between these two sites that though only are· a.part, the Mineral Fork Formation is not present a. t e1 ther Locat.LonWit-hin the stUdy area, the rintic Quartzite unconformably lies both the Hutual and Mineral Fork Forma. tions. is shown in 2. fxre over This r·ela tionship . Nature of the Contact The Tintic Qua.rtzite overlies the Mineral Fork Formation in the southeast . of the quarter Generally, It is marked by study area • the Tintic-iineral Fork contact, is an sharp, but uneven. abrupt break in slope, with the Tintic forming steep cliffs above talus sopes that completely obscure the Mineral Fork Formation in SOIDe the southeasternmost places. This relationship. is well shown in portion of the Binem1 Fork Va.lley. In Little Cottonwood Canyon; west of Alta, the contact, is faulted. a.nd th.e original relationships have been destroyed. |
