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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 ?
Reporting on the Sierra Nevada batholith, Idaho-Montana, and the Cascades-Coast plutonic complex, they discuss Salinia, the mid-Cretaceous Oregonian event, cordilleran ribbon continent and westerly subduction, Sevier fold-and-thrust, Sevier hinterland, and the Laramide event.
The Silurian (Ludlovian to Pridolian) to Late Devonian (Famennian) Saint George Batholith in southwestern New Brunswick is a large composite intrusion (2000 [km.
Rocks of the study area are mainly comprised of stage-2 fine to coarse grained granitoids of Ladakh Batholith The dioritic rocks present in the study area are hornblende bearing having high concentration of plagioclase.
A window of older Birimian metasediments is surrounded by the batholith and occurs along the intrusive contact; possibly representing a roof pendent of older metasediments underlain by granitic intrusives.
It includes different volcanic sequences and batholith bodies limited as fault bounded blocks along most of the Eastern Andes (Aspden et al, 1987).
The recent data of geophysical prospecting, drilling project, and deep exploration reveals that there is a giant Guojialing granodiorite batholith in the deep of the studying area, overlain by the Linglong biotite adamellite (Feng et al.
2] historic Santa Rosa Gold Project located in the Antioquia Batholith.
One major difficulty is the strong influence of the Riga anorthosite-mangerite-charnockite-rapakivi granite (= AMCG) batholith dated at ca 1580 Ma (Ramo et al.
6A): boundary between the SCS and the TB, boundary between the IC and the BF and boundaries between the Pedroches batholith (PB) and the CU and CIZ.
Geophysical results infer the Groundhog Project lies along the Northeast margin of the large Cretaceous granodiorite Kaskanak batholith and is intersected by a north-northeast-trending corridor of distinctive co-magmatic hypabyssal intrusives.
Karakoram high-grade metasediments were thrust southwards over low-grade metasediments previously deformed along the Shyok suture zone (Carboniferous to Albian-Aptian) and the Ladakh Batholith (Cretaceous to Eocene) (Searle et al.
Mafic precursors, peraluminous granitoids, and late lamprophyres in the Avila batholith: A model for the generation of Variscan batholiths in Iberia.