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Rocketed :: Rocketed (imp. & p. p.) of Rocke.

Limpet :: Limpet (n.) Any species of Siphonaria, a genus of limpet-shaped Pulmonifera, living between tides, on rocks..

Fragmentak :: Fragmentak (a.) Consisting of the pulverized or fragmentary material of rock, as conglomerate, shale, etc..

Laramie Group :: Laramie group () An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence also called the lignitic group. See Chart of Geology..

Degradation :: Degradation (n.) A gradual wearing down or wasting, as of rocks and banks, by the action of water, frost etc..

Flagstone :: Flagstone (n.) A flat stone used in paving, or any rock which will split into such stones. See Flag, a stone..

Eurypterus :: Eurypterus (n.) A genus of extinct Merostomata, found in Silurian rocks. Some of the species are more than three feet long..

Pegmatite :: Pegmatite (n.) More generally, a coarse granite occurring as vein material in other rocks..

Bottom :: Bottom (a.) Of or pertaining to the bottom; fundamental; lowest; under; as, bottom rock; the bottom board of a wagon box; bottom prices..

Viridite :: Viridite (n.) A greenish chloritic mineral common in certain igneous rocks, as diabase, as a result of alternation..

Blacktail :: Blacktail (n.) The black-tailed deer (Cervus / Cariacus Columbianus) of California and Oregon; also, the mule deer of the Rocky Mountains. See Mule deer..

Schist :: Schist (n.) Any crystalline rock having a foliated structure (see Foliation) and hence admitting of ready division into slabs or slates. The common kinds are mica schist, and hornblendic schist, consisting chiefly of quartz with mica or hornblende and often feldspar..

Moco :: Moco (n.) A South American rodent (Cavia rupestris), allied to the Guinea pig, but larger; -- called also rock cavy..

Smock :: Smock (v. t.) To provide with, or clothe in, a smock or a smock frock..

Paleechinoidea :: Paleechinoidea (n. pl.) An extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palaeechini.

Fragmentary :: Fragmentary (a.) Composed of the fragments of other rocks.

Quebec Group :: Quebec group () The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. See the Chart of Geology.

Kangaroo :: Kangaroo (n.) Any one of numerous species of jumping marsupials of the family Macropodidae. They inhabit Australia, New Guinea, and adjacent islands, They have long and strong hind legs and a large tail, while the fore legs are comparatively short and feeble. The giant kangaroo (Macropus major) is the largest species, sometimes becoming twelve or fourteen feet in total length. The tree kangaroos, belonging to the genus Dendrolagus, live in trees; the rock kangaroos, of the genus Petrogale, inhab

Rock Shaft :: Rock shaft () A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; -- called also rocker, rocking shaft, and way shaft..

Variety :: Variety (n.) Something varying or differing from others of the same general kind; one of a number of things that are akin; a sort; as, varieties of wood, land, rocks, etc..

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