Subsurface stratigraphy of the Wasatch Formation of the Uinta Basin, Utah
citation_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;
citation_publisher
University of Utah;
citation_keywords
Stratigraphic geology; Natural gas
citation_dissertation_institution
University of Utah;
citation_dissertation_name
PhD;
citation_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
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-Extent
326,853 bytes
Identifier
us-etd2,192792
Source
Original: University of Utah J. Willard Marriott Library Special Collections
Conversion Specifications
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