Field identification and description of a buried
paleosol to the Subgroup may be hampered if leaching and evaporation have deposited salts that overprint the original profile.
Siderite nodules (sphaerosiderites) in
paleosols of the Lower Tuscaloosa Formation of southwestern Mississippi have oxygen isotopic values that are a proxy record for low-latitude precipitation oxygen isotopic values during the mid-Cretaceous greenhouse warming.
4a-d) that represent samples from the upper, middle and lower parts of the outcropping
paleosol sequences (Fig.
The presence of finer-grained sediments, the frequency of
paleosol occurrence and the degree of
paleosol development in the upper 3 m (10 ft) of the cores supports an anthropogenic influence on erosion and sedimentation in Unit 2 similar to that commonly observed in other drainage networks (Orbock-Miller et al.
Furthermore, the ratio of carbon-13 to carbon-12 isotopes in the top 5 m of the
paleosol fall within a narrow range that matches the ratio of carbon isotopes deposited by cyanobacteria in freshwater lakes.
Reddish and greenish siliciclastic mudstone (F10) commonly displaying green mottling and carbonate nodules is interpreted as deposited in a flood plain, which underwent periodical subaerial exposure and development of
paleosols (e.g.
Huang, C.-Q., Tan, W.-F., Wang, M.-K., and Koopal, L.K.: 2014, Characteristics of the fifth
paleosol complex (S5) in the southernmost part of the Chinese Loess Plateau and its paleo-environmental significance.
The last of these cycles is capped by a rooted
paleosol and is directly overlain by mudstones of the Kanguk Formation.
Interrelation of magnetic susceptibility, soil color and elemental mobility in the Pliocene-Pleistocene Siwalik
paleosol sequences of the NW Himalaya, India.
A NEW OCCURRENCE OF BALD CYPRESS IN A
PALEOSOL ON THE SILVER BLUFF FORMATION EXPOSED ON THE BEACH OF JEKYLL ISLAND, GA, Timothy M.
The largest and most completely preserved of these trees (described in detail below and in Figure 4) is rooted in the
paleosol (inceptisol) that overlies Plant Bed D and buried to a height of 1.31 m in Plant Beds E and F.
On the fresh exposure near the top of the outcrop, there were what appeared to be vertebrate burrows in a weakly developed
paleosol.