Subsurface stratigraphy of the Wasatch Formation of the Uinta Basin, Utah

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Title Subsurface stratigraphy of the Wasatch Formation of the Uinta Basin, Utah
Publication Type thesis
School or College College of Mines & Earth Sciences
Department Geology & Geophysics
Author Murany, Ernest E
Date 1963-05
Description The Wasatch formation of t h e Uinta Basin has g r a d a t i o n a l b o u n d a r i e s. The upper p o r t i o n of the formation, i s eq_ui.va.lent in time t o , - and i n t e r - f i n g e r s with, the black s h a l e f a d e s of t h e Green River format i o n . The lower p o r t i o n of the Wasatch i n t e r f i n g e r s with t h e North Horn and Tuscher f o r m a t i o n s . To the west in the Red Narrows - Thistle - S o l d i e r Summit a r e a the c o r r e l a t i o n of t h e Wasatch i s in doubt. Spieker (19^-6) has a s s i g n e d a Montanan age for the conglomerates exposed at Red Narrows- Recent work by Hintze (1962) and Boyd (1959) i n d i c a t e t h e y b e l i e v e t h e s e conglomerate t o be younger, p o s s i b l y North Horn in age. In t h e n o r t h e r n and e a s t e rn p o r t i o n s of the basin, t h e Wasatch i s l e s s than. 1000 f e e t t h i c k , and is unconformably o v e r l a i n by t h e Green River formation, and i s u n d e r l a in by the Mesaverde group of l a t e Cretaceous age. Southward t h e Wasatch formation t h i n s toward t h e Book. C l i f f s and c o n s i s t s of 75 f e e t of sandstones and s h a l e s o c c u r i n g between the Green River and Tuscher formations in t h e San Arroyo area. The author suggests t h a t the name Colton formation be reduced in r a n k t o the Colton tongue of the Wasatch formation, and t h a t the term Tuscher formation, be abandoned. In p l a c e of Tuscher formation i t is s u g g e s t e d t h a t i t be c a l l e d the b a s a l member of the Wasatch formation. I n t h e subsurface the Tuscher cannot be r e c o g n i z e d as a s e p e r a t e u n i t. The Wasatch formation is c o n s i d e r e d t o be an accumulation of cont i n e n t a l f l u v a t i l e sediments approaching feet in t h e c e n t r a l p o r t i on of the "basin.- All of t h e l a c u s i j e r i n e o s t r a c o d a l , . and o o l i t i c l i m e s t o n es near t h e t o p of f h e Wasatch f o r m a t i o n are excluded and p l a c e d i n t o t he "black s h a l e f a c i e s of t h e Green River f o r m a t i o n . The dominant l l t h o l o gy of t h e Wasatch i s red-brown s h a l e and f i n e - g r a i n e d subgraywacke sands t o n e . Great l a t e r a l v a r i a t i o n s in l l t h o l o g y cause d i f f i c u l t i e s in c o r r e l a t i o n between i n d i v i d u a l w e l l s .
Type Text
Publisher University of Utah
Subject Stratigraphic geology; Natural gas
Dissertation Institution University of Utah
Dissertation Name PhD
Language eng
Relation is Version of Digital reproduction of "Subsurface stratigraphy of the Wasatch Formation of the Uinta Basin, Utah" J. Willard Marriott Library Special Collections QE3.5 1963 .M87
Rights Management In the public domain use of this file is allowed in accordance with the Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License, http://creativecommons.org/licenses/by-nc-nd/3.0/us
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Format Medium application/pdf
Format Extent 326,853 bytes
Identifier us-etd2,192792
Source Original: University of Utah J. Willard Marriott Library Special Collections
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ARK ark:/87278/s62r462m
Setname ir_etd
ID 192092
Reference URL https://collections.lib.utah.edu/ark:/87278/s62r462m
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