Soil Formation in the Early Pliocene by Data of the Alma-Peschanoe Loess-Soil Sequence, Western Crimeaстатья
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Аннотация:The loess-paleosol sequence of the Alma-Peschanoe section located in the west of the Crimean
Peninsula is analyzed. A comprehensive analysis of morphological, physicochemical, and some other features enables us to identify eight paleosols formed under different conditions. The supposed age of the loesspaleosol sequence was determined by the paleofaunal analysis based on the discovery of a tooth from the
mouse Micromys cf. bendae. According to the data obtained, the formation of paleosols at the initial stage was
rhythmical under dry and moderately warm conditions. The paleosols were formed according to the steppe
type of soil formation (Kastanozems in the WRB). Later, the climate changed towards an increase in temperature and humidity, and two red-brown polygenetic paleosols were formed. Their formation was gradual
under conditions from arid to hot humid subtropical climate; at the optimal stages of soil evolution, the soils
were formed according to the fersiallitic type (Nitisols). At the final stages, paleosols were formed under sharp
changes in the regimes of moistening—drying. The studied red paleosols may be presumably assigned to the
Sevastopol stratigraphic horizon. The studies performed enable us to characterize the landscape-climatic
conditions and to elaborate a concept of the genesis of the soil cover in the Early Pliocene