granophyre

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granophyre
granophyre Geol. (ˈgrænəʊfaɪə(r)) [First introduced in Ger. form granophyr by Vogelsang 1872; f. G. gran(it) granite + (por)phyr porphyry.] (See quot. 1882.)1882 Geikie Text-bk. Geol. ii. ii. iii. 90 Vogelsang has proposed to classify this type [Porphyritic] in three divisions: 1st, Granophyre, wher... Oxford English Dictionary
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Granophyre
Granophyre ( ; from granite and porphyry) is a subvolcanic rock that contains quartz and alkali feldspar in characteristic angular intergrowths such as A common occurrence of granophyre is within layered igneous intrusions dominated by rocks with compositions like that of gabbro. wikipedia.org
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granodiorite
granodiorite Petrogr. (ˌgrænəʊˈdaɪəraɪt) [f. grano-, taken as combining form of granite (cf. granophyre) + diorite.] Any of the plutonic igneous rocks intermediate in composition between true granite and quartz-diorite, which are similar in appearance to granite but are usu. darker in colour; esp. o... Oxford English Dictionary
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Uriconian
Granophyre is quite evident in the Ercall Quarries. This leads to suggest that the area was affected by (Uriconian) volcanism and associated events between 570-550 Ma including the intrusion of the Ercall Granophyre wikipedia.org
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Great Borne
Borne's southern slopes are of some interest, they fall away precipitously towards Ennerdale Water with steep crags and scree which are composed of pink granophyre It is a geological Site of Special Scientific Interest (SSSI), showing the granophyre in contact with Skiddaw Slate. wikipedia.org
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leucite
leucite Min. (ˈl(j)uːsaɪt) Also 8 leucit. [a. G. leucit (A. G. Werner, 1791), f. Gr. λευκός white: see -ite.] Silicate of aluminium and potassium, usually found in glassy trapezohedrons, occurring in volcanic rocks, esp. in lavas from Vesuvius.1799 Med. Jrnl. I. 300 In the decomposition of the fossi... Oxford English Dictionary
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The Ercall
The relationship between the Ercall Granophyre and the Uriconian is also clearly evident as the Granophyre intrudes the Volcanic rocks and is therefore The Granophyre is dated at 560+/-1Ma and is thought to be related to the volcanic events in the area. wikipedia.org
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vitro-
ˈvitro- combining form on Gr. models of L. vitrum glass, used in a few terms, as vitro-ˈdentine, the hard external layer of dentine in a tooth; ˈvitrophyre, a subdivision of porphyritic rocks; hence vitrophyric adj.; ˈvitrotype (see quot. 1875).1849–52 Todd's Cycl. Anat. IV. 882/1 The dental plate c... Oxford English Dictionary
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-phyre
-phyre (faɪə(r)) comb. form of porphyry used in names of porphyritic rocks, as granophyre, keratophyre. Oxford English Dictionary
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Ring of Gullion
The ring dyke is composite with both porphyritic granophyre and porphyritic felsite components. These cooled to form very hard granophyre and felsite rocks – in fact two 'ring dykes' or the "outer" and "inner" rings. wikipedia.org
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Wrekin Terrane
The later phases of intrusion are noted within the Wrekin Range where the Uriconian rhyolite is cross cut with the Neoproterozoic Ercall Granophyre. have been deposited rapidly with such volcanism being dated (U-Pb Zircon) at 566+/-2 Ma (Note the Uriconian is cross-cut by the Late Precambrian Ercall Granophyre wikipedia.org
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metasomatize
metasomatize, v. Geol. (mɛtəˈsəʊmətaɪz) [f. metasomatism + -ize.] trans. To change as a result of metasomatism. So metaˈsomatized ppl. a.1942 Mineral. Abstr. VIII. 242 Xenoliths of siltstone or sandstone country-rock are metasomatized to granophyre. 1955 Mineral. Mag. XXX. 681 The carbonatite contai... Oxford English Dictionary
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Muskox intrusion
Rock types include picrite, peridotite, dunite, pyroxenite, gabbro and granophyre. wikipedia.org
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Skaergaard intrusion
It comprises various rock types including gabbro, ferro diorite, anorthosite and granophyre. wikipedia.org
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Cymru Terrane
The St Davids Granophyre and the Pebidian Supergroup are located on the coastline of St Davids Peninsula. The Pebidian Supergroup is interbedded basic lavas and acid tuffs, is cut by the St David's Granophyre. wikipedia.org
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