Los Colorados Formation
The Los Colorados Formation is a sedimentary rock formation of the Ischigualasto-Villa Unión Basin , found in the provinces of San Juan and La Rioja in Argentina . 
<triplet> Los Colorados Formation <subj> rock formation <obj> instance of <subj> San Juan <obj> located in the administrative territorial entity <subj> Argentina <obj> country <triplet> San Juan <subj> Argentina <obj> country <triplet> La Rioja <subj> Argentina <obj> country <triplet> Argentina <subj> San Juan <obj> contains administrative territorial entity <subj> La Rioja <obj> contains administrative territorial entity