Ash Meadows

The zeolites designated ZBS-14 and ZBS-15 are clinos from two separate deposits owned by an Occidental Petroleum subsidiary, Occidental Minerals, Inc. H-ZBS-15 is a decationized version of its parent. Ash Meadows is an ARCO owned deposit and represents a completely ion exchanged clino sample. 

Figure 1. Location of Devils Hole and salient features in its vicinity. Dashed-dotted line marks approximate boundary of the Ash Meadows groundwater system. Dashed line marks approximate boundary of highly transmissive aquifer. They also coincide with approximate position of the Spotted Range-Mine Mountain structural zone. Arrows indicate the inferred direction of groundwater flow. Shaded areas are approximate recharge areas. Adapted from Winograd et al. (1992).

Browns Room (Fig. 3), an air-filled chamber, is accessible only by diving to a depth of about 25 meters in Devils Hole and ascending a different branch of the fissure back to the water table (Hoffman, 1988, p. 6 Riggs et al., 1994). Browns Room has a blocky shape that results from breakdown blocks falling from between splays of the fault (Riggs et al., 1994). The room extends approximately 9 meters above the present water table. An 8 m by 7 m pool of warm Ash Meadows groimdwater occupies the southwest end of Browns Room. Millers... 

The aerial parts of grasses in Savanna ecosystems exhibit a high ash content from 6 to 10%. This is partly due to the presence of minute particles of mineral dust, which are discernible under a microscope or, occasionally, even with the naked eye. The exposure to mineral dust accounts for 2-3% of the weight of dry mass of grass aerial parts. We can consider that this dust is responsible for the elevated concentrations of some minerals, like Ga, which has a low Cb value. This element contains in windblown finely dispersed clay particles. Nevertheless, even with allowance made for the silicate dust content, the total sum of ash elements in grasses of savanna ecosystems is twice as much as that of the grasses from Alpine Meadow ecosystems. 

Climatic conditions have essential influence on soil formation process and determine geographical and physic-chemical uniqueness of soil cover. This region differentiates by the great cultivar of soils. Main soil types are floodplain, podzols, sod-podzols, gray forest soils, alluvial-meadow soils, boggy soils, black soils, sodium soils, ash gray soils, loessial loam. 

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