a
Inset area
Wyoming
Colorado
Utah
Uinta
Basin
Price
Rifle
River
Miles
10 0 10 20 30
C o lo r a d o
Vernal
Grand
junction
Rock springs
Washakie
basin
Piceance
creek
basin
Evanston
Big piney
G
r
e
e
n
r
iv
e
r
G re e n ri v e r B a si n
b
Fig. 23.5 (a) Green River Shale. This shale has a high content
of organic carbon from algae and contains mostly Type I kerogen. It is far from mature and the shale must be mined and
heated to 400–500
C to form oil by pyrolysis. (b) The Green
River oil shale was deposited in shallow lakes and is of Tertiary
(Eocene) age. This shale is very extensive in Utah, Wyoming
and Colorado (adapted from Smith 1980)
586
K. Bjørlykke
Inset area
Wyoming
Colorado
Utah
Uinta
Basin
Price
Rifle
River
Miles
10 0 10 20 30
C o lo r a d o
Vernal
Grand
junction
Rock springs
Washakie
basin
Piceance
creek
basin
Evanston
Big piney
G
r
e
e
n
r
iv
e
r
G re e n ri v e r B a si n
b
Fig. 23.5 (a) Green River Shale. This shale has a high content
of organic carbon from algae and contains mostly Type I kerogen. It is far from mature and the shale must be mined and
heated to 400–500
C to form oil by pyrolysis. (b) The Green
River oil shale was deposited in shallow lakes and is of Tertiary
(Eocene) age. This shale is very extensive in Utah, Wyoming
and Colorado (adapted from Smith 1980)
586
K. Bjørlykke