τίς οὖν ἡ ταύτης περιουσίαν → what is its chance of being saved
marga: ae, f.,I a kind of earth, marl, Plin. 17, 6, 4, § 42.
marga, æ, f., marne [terre] : Plin. 17, 42.
marga, ae, f. (nach Plin. 17, 42 gallisches Wort), der Mergel, Plin. 17, 42 u. 48.