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A large mass of igneous rock that has melted and intruded surrounding strata at great depths.

bath′o·lith′ic adj.


(ˈbæθəlɪθ) or


(Geological Science) a very large irregular-shaped mass of igneous rock, esp granite, formed from an intrusion of magma at great depth, esp one exposed after erosion of less resistant overlying rocks
ˌbathoˈlithic, ˌbathoˈlitic adj


(ˈbæθ ə lɪθ)

a large body of intrusive igneous rock believed to have crystallized at a considerable depth below the earth's surface.
bath`o•lith′ic, adj.


An immense, dome-shaped, deep-seated mass of intrusive igneous rock.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.batholith - large mass of intrusive igneous rock believed to have solidified deep within the earth
granite - plutonic igneous rock having visibly crystalline texture; generally composed of feldspar and mica and quartz
igneous rock - rock formed by the solidification of molten magma
References in periodicals archive ?
The major glacial transport direction for the Beaver River Till is southeastward over the South Mountain Batholith with a short dispersal distance (< 1 km), resulting in a locally derived till varying in thickness from 1 to 6 m.
High-grade gold (+1 ounce) mineralization is found in a series of sub parallel fault controlled veins with quartz-magnetite-specularite and pyrite, which are hosted by Mesozoic granites of the Sierra Nevada Batholith.
A steeply west-dipping, north-northwest-trending, biotite-bearing quartz-feldspar porphyry dyke is associated with the Lake George granodiorite, a cupola of the Pokiok Batholith.
The property is underlain by the Launay pluton as well as the eastern part of the Tascherau batholith.
For example, the BLP may have a magmatic association, with either the 440 Ma Brenton Pluton (Keppie & Krogh 2000) or 380 Ma South Mountain Batholith (Kontak et al.
of the Bourlamaque Batholith and hosts the Lac Herbin gold deposit (inferred resource of 1,070,000 tonnes (t) grading 7.
Samples 2, 24-25, 33, 37-38, 40-41 are from biotite-rich granitoid units in the South Mountain Batholith (SMB).
It is underlain by lower Cretaceous andesites and mid-Cretaceous diorites of the Coastal Batholith.
gt;650-800[degrees]C) and, therefore, provide a more reliable time for emplacement and solidification of the batholith.
The Sylvester allochthon is intruded by the late Cretaceous Cassiar batholith to the west, and several other smaller stocks in the Cassiar area ranging in age from 90 Ma to 50 Ma.
These granite dykes are similar in age to some of the plutonic rocks in the Saint George Batholith on the mainland (McLeod 1990).