Morphotectonics of fissure ridge travertines from geothermal areas of Mammoth Hot Springs (Wyoming) and Bridgeport (California)
Luigi De Filippis (*) & Andrea Billi (**) (*) Dipartimento Scienze Geologiche, Università Roma Tre, Rome, Italy. E-mail: ldefilippis@uniroma3.it
(**) IGAG-CNR, Rome, Italy. E-mail: andrea.billi@cnr.it