They are conglomerates of heterometrical pebbles, mainly limestone, although some of them are made of quartz, pudding stone, ophite, etc., usually included in a loamy-clayey matrix very often strongly cemented by carbonates, and so being highly compact and resistant. | Son conglomerados de cantos heterométricos redondeados, de caliza principalmente aunque algunos de ellos son de cuarzo, pudinga, ofita, etc., normalmente englobados en una matriz arcillosa-limosa muchas veces fuertemente cementada (encalichada) por carbonatos, siendo entonces muy compactos y resistentes. |
