r
'
Biochemical Sediments
fbrganic Mauer Content
coal _.. H ISTOSOL
lrno coal
In Situ Mineral
Alteration
OXISQL.-e�t�:nsive
-
poor
H<.Hizonation
poor� PR.OTOSOL.
poor due to
II
pedotu rbati on "�'> V E RTI S 0 L
sood
llluviation of Insoluble
Minerals/Compounds
Af\GILLISOL- clay
-
organie matter
SPOOOSQL.-and iron
poor
Redox Conditions
low --r>- GLEYSOL
high or fluctuating
Accumulation of
Soluble Minerals
CALCISOL�CaCO 3 -rich
GYPS IS 0 L<1-CaS04 -riefi
poor
189
Fig. ?.26. Main Criteria used in the paleosol classification of Mack et al. {1993), presented as a flowchart showing how
individual paleosols may be identified
Fig. 7.27. General view of Death Valley, California, showing the pattern of ephemeral stream channels and gypsumencrusted playas on the valley floor, and the marginal alluvial fans. (Photo courtesy of S. Prosser)
'
Biochemical Sediments
fbrganic Mauer Content
coal _.. H ISTOSOL
lrno coal
In Situ Mineral
Alteration
OXISQL.-e�t�:nsive
-
poor
H<.Hizonation
poor� PR.OTOSOL.
poor due to
II
pedotu rbati on "�'> V E RTI S 0 L
sood
llluviation of Insoluble
Minerals/Compounds
Af\GILLISOL- clay
-
organie matter
SPOOOSQL.-and iron
poor
Redox Conditions
low --r>- GLEYSOL
high or fluctuating
Accumulation of
Soluble Minerals
CALCISOL�CaCO 3 -rich
GYPS IS 0 L<1-CaS04 -riefi
poor
189
Fig. ?.26. Main Criteria used in the paleosol classification of Mack et al. {1993), presented as a flowchart showing how
individual paleosols may be identified
Fig. 7.27. General view of Death Valley, California, showing the pattern of ephemeral stream channels and gypsumencrusted playas on the valley floor, and the marginal alluvial fans. (Photo courtesy of S. Prosser)