§ 115.

ARGILLA (argillaceous earth) united to ſiliceous and calcareous matter.

Cronstedt Min. §25. Marga argillacea. Marle.

§ 116.

ARGILLA (argillaceous earth) united to ſiliceous earth and magneſia.

Cronstedt Min. §§ 84, 4. B. Terra lemnia.

Its component parts reſemble thoſe of talc, but differ in their proportions, and are alſo leſs intimately united.

§ 116*.

ARGILLA (argillaceous earth) united to ſiliceous, calcareous, and magneſia earths.

Lithomarga.([[45]]) Cronstedt Min. § 84. A.