Laserfiche WebLink
• <br />s <br />• <br />Aquifer Hydrogeologic Thickness Physical Characteristics Hydrogeologic <br /> Unit ft. Characteristics <br /> Alluvial sands and gravels, Yields large quantities <br />Alluvial Aquifers Alluvial 0-100 loess <br />colluvium <br />eolian sands for domestic, stock, and <br /> , <br />, municipal <br /> Mancos Shale 1,000- Shales interbedded with minor Confining Unit <br /> 5,000 sandstone <br />Tertiary to Upper Dakota Fine to coarse grained cross- Yields some water, <br />Cretaceous <br />if Sandstone 0-200 bedded sandstone stock and domestic <br />aqu <br />er <br /> Burro Canyon <br />0-250 Conglomerate, sandstone and <br />Yields water to springs <br /> Formation shale <br /> Brushy Basin <br /> Member of the 400-500 Bentonitic shale interbedded Confining unit <br /> Morrison with minor sandstone <br /> Formation <br /> Salt Wash Medium grained sandstone <br /> Member of the 300 interbedded with red shale Yields small quantities, <br /> Morrison (contains Top Rim sandstone stock and domestic <br /> Formation unit <br /> Summerville 0-120 Shales interbedded with minor Confining unit <br /> Formation sandstones <br /> Entrada 15-170 Medium to large grained cross- Data not available <br /> Sandstone bedded sandstone <br /> Carmel Siltstone and shale <br />Mesozoic Formation 0-40 interbedded with fine grained Leaky confining unit <br />sandstone aquifer sandstone <br /> Navajo Fine grained cross-bedded Small to moderate <br /> Sandstone 0-125 quartz sandstone amounts from fractures, <br /> stock and domestic <br /> Kayenta 0-200 Sandstone interbedded with Yields little to no water <br /> Formation siltstone and thin bedded shale <br /> Wingate Medium grained, poorly Yields water to <br /> Sandstone 0-400 cemented, cross-bedded numerous springs <br /> sandstone <br /> Shale, siltstones interbedded Yields small quantities <br /> Chinle Formation 0-500 with minor fine grained where fractured, stock <br /> sandstone and domestic <br /> Moenkopi 0 <br />-480 Shale interbedded with minor Yields small quantities, <br /> Formation sandstone stock and domestic <br /> Fine grained sandstone Yields small quantities, <br />Permian Cutler Formation 0-3,500 interbedded with minor stock and domestic <br /> conglomerate and shale <br /> Shales, limestones, salt, and <br />Pennsylvanian Hermosa 0-3,900 gypsum, includes Paradox Confining unit <br /> Formation Member of Hermosa <br /> Formation <br />Notes: <br />Data compiled from Weir et al. (1983) and Hanna and Gandera (2000) <br />ft.- Feet <br />Table 8-1 <br />Characteristics of Hydrogeologic Units in Paradox Basin