The Monterrey metropolitan area (MMA) is the third greatest urban area and the second
largest economic city of Mexico. More than four million people living in this megacity use …

Permian evaporites of the Castile Formation crop out over~ 1,800 km2 in the western Delaware
Basin (Eddy County, New Mexico and Culberson County, Texas, USA) with abundant …

Castile Formation gypsum crops out over, 1,800 km2 in the western Delaware Basin where
it forms the majority of the Gypsum Plain. Karst development is well recognized in the …

Methane (CH4) is an economic resource and a greenhouse gas, but its migration through
rocks is not immediately associated with speleogenesis. Sulfuric-acid speleogenesis is a cave-…

Conspicuous sulfide-rich karst springs flow from Cretaceous carbonates in northern Sierra de
Chiapas, Mexico. This is a geologically complex, tropical karst area. The physical, geologic…

Evaporite calcitization within the Castile Formation of the Delaware Basin is more widespread
and diverse than originally recognized. Coupled field and GIS studies have identified …

Sulfur-rich karst springs that drain middle to Late Cretaceous carbonates in southern Tabasco,
Mexico, contain elevated total dissolved solids with high chloride and either high sulfide …

… (Rosales Lagarde et al 2007, 2008) and thus we suggest that volcanic gases are plausibly
involved in the fluid inclusion results shown here. Finally, magmatic gases typically have high …

The Monterrey Metropolitan Area (MMA) is the third greatest urban area of Mexico. Owing to
the rapid industrialization and urbanization of this city, more water resources are necessary …

Methane oxidizing microorganisms (methanotrophs) are ubiquitous in the environment and
represent a major sink for the greenhouse gas methane (CH 4 ). Recent studies have …