188
A
B
EXPLANATION
0Gray
.
Oorang&
!ZZJ Ught •ed
�
frljoarkred
��� Purple
���· C1ay'"flch zones
• • •. Fa/At gtaebules
•• Mil gtaabutes
. o ·� CaCOJ gtaebules
'>\. Rhizoliths
"tF Burrows
ppm Mn {xllh
Fig. 7.25. A The five basic paleosol stages identified in the
Willwood Formation of Wyoming. A, B, and Care horizon
types. SubtyPes are as follows: �o epipedon; Bca calcrete;
Bg gteyed horizon; Bt clay enrichment; Bfe iron enrichArchitectural Elements of the Overbank Environment
ment; Cca calcrete; Cg gleyed; Eb eluviated zone in A
horizon. B Distribution of important soil components in a
stage-S paleosol. (Bown and Kraus 1987)
A
B
EXPLANATION
0Gray
.
Oorang&
!ZZJ Ught •ed
�
frljoarkred
��� Purple
���· C1ay'"flch zones
• • •. Fa/At gtaebules
•• Mil gtaabutes
. o ·� CaCOJ gtaebules
'>\. Rhizoliths
"tF Burrows
ppm Mn {xllh
Fig. 7.25. A The five basic paleosol stages identified in the
Willwood Formation of Wyoming. A, B, and Care horizon
types. SubtyPes are as follows: �o epipedon; Bca calcrete;
Bg gteyed horizon; Bt clay enrichment; Bfe iron enrichArchitectural Elements of the Overbank Environment
ment; Cca calcrete; Cg gleyed; Eb eluviated zone in A
horizon. B Distribution of important soil components in a
stage-S paleosol. (Bown and Kraus 1987)