Calcareous+tufa
21Ceraunian sinter — Sinter Sin ter, n. [G. Cf. {Cinder}.] (Min.) Dross, as of iron; the scale which files from iron when hammered; applied as a name to various minerals. [1913 Webster] {Calcareous sinter}, a loose banded variety of calcite formed by deposition from… …
22Siliceous sinter — Sinter Sin ter, n. [G. Cf. {Cinder}.] (Min.) Dross, as of iron; the scale which files from iron when hammered; applied as a name to various minerals. [1913 Webster] {Calcareous sinter}, a loose banded variety of calcite formed by deposition from… …
23Sinter — Sin ter, n. [G. Cf. {Cinder}.] (Min.) Dross, as of iron; the scale which files from iron when hammered; applied as a name to various minerals. [1913 Webster] {Calcareous sinter}, a loose banded variety of calcite formed by deposition from lime… …
24Thinolite — Thin o*lite, n. [Gr. ?, ?, shore + lite.] (Min.) A calcareous tufa, in part crystalline, occurring on a large scale as a shore deposit about the Quaternary lake basins of Nevada. [1913 Webster] …
25tofus — Tophus To phus, n.; pl. {Tophi}. [NL.: cf. F. tophus a mineral concretion in the joint. See {Toph}.] [Written also {tofus}.] 1. (Med.) One of the mineral concretions about the joints, and in other situations, occurring chiefly in gouty persons.… …
26Tophi — Tophus To phus, n.; pl. {Tophi}. [NL.: cf. F. tophus a mineral concretion in the joint. See {Toph}.] [Written also {tofus}.] 1. (Med.) One of the mineral concretions about the joints, and in other situations, occurring chiefly in gouty persons.… …
27Tophus — To phus, n.; pl. {Tophi}. [NL.: cf. F. tophus a mineral concretion in the joint. See {Toph}.] [Written also {tofus}.] 1. (Med.) One of the mineral concretions about the joints, and in other situations, occurring chiefly in gouty persons. They… …
28Boreal (period) — In paleoclimatology of the Holocene, the Boreal was the first of the Blytt Sernander sequence of north European climatic phases that were originally based on the study of Danish peat bogs, named for Axel Blytt and Rutger Sernander, who first… …
29Compton and Shawford — Coordinates: 51°01′24″N 1°19′45″W / 51.023255°N 1.329079°W / 51.023255; 1.329079 …
30onyx marble — 1. See Mexican onyx. 2. any compact, banded calcareous tufa that can be given a high polish. [1890 95] * * * …
