Latite is an igneous, volcanic rock, with aphanitic-aphyric to aphyric-porphyritic texture. It is the volcanic equivalent of monzonite. Its mineral assemblage...
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enriched in alkali metal oxides. Quartz latite is intermediate between latite and rhyolite in its mineralogy. Quartz latite is the fine-grained equivalent of...
5 KB (483 words) - 06:06, 22 June 2023
level and is overlain by about 20m of porphyritic basalt, termed Bombo Latite member. The contact between the two units is well-exposed in the cliff section...
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intrusive rock dominated by mafic phenocrysts in a feldspar groundmass Latite – Type of volcanic rock – A silica-undersaturated form of andesite Lherzolite –...
14 KB (2,187 words) - 23:33, 16 April 2024
The fine grained volcanic rock equivalent of quartz monzonite is quartz latite. The term adamellite was originally applied by A. Cathrein in 1890 to orthoclase-bearing...
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gabbro. Intermediate volcanic rocks include andesite, dacite, trachyte, and latite.[citation needed] Pyroclastic rocks are the product of explosive volcanism...
22 KB (2,430 words) - 08:07, 20 May 2024
classification. These are divided into sodium-rich benmoreite and potassium-rich latite. Trachyandesitic magma can produce explosive Plinian eruptions, such as...
9 KB (944 words) - 22:13, 6 July 2024
geologic formation known as the Table Mountain Latite. Within the region of Table Mountain, the Table Mountain Latite is mapped as a part of the Mehrten Formation...
10 KB (1,121 words) - 09:53, 1 October 2024
within Palmas volcanics. In Etendeka, individual eruptive units of quartz latite are grouped into high-Ti and low-Ti suites. The high-Ti suit is composed...
20 KB (2,052 words) - 22:21, 19 October 2024
ovens were in operation from 1876 through 1879. They were built of quartz latite welded tuff by itinerant Swiss Italian masons known as carbonari, who specialized...
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obovata. The soils it grows on are high in nutrients and include Bumbo Latite and Budgong Sandstone. As rainforests were cleared, isolated specimens were...
40 KB (4,305 words) - 19:49, 2 November 2024
Kathedrale, Petersberg 2022, p. 200f The materials used were trachyte and latite from Drachenfels, from Stenzelberg, Wolkenburg and Berkum; sandstone from...
55 KB (5,543 words) - 03:03, 2 November 2024
Mountains and Messum Igneous Complex, Namibia. Part II: Voluminous Quartz Latite Volcanism of the Awahab Magma System". Journal of Petrology. 39 (2): 227–253...
61 KB (3,692 words) - 12:21, 1 November 2024
unusually alkali-rich in some cases. Peralkaline phonolitic trachyte and latite have also been produced, and there is rare trachybasalt. Three geological...
35 KB (3,743 words) - 15:40, 26 October 2024
red-brown matrix. The composition of rhomb porphyry places it in the trachyte–latite classification of the QAPF diagram. Rhomb porphyry is found in continental...
27 KB (3,037 words) - 05:38, 13 September 2024
is also capped by the eroded remnant of a basaltic (or, more properly, a latite) lava flow, in the central foothills of California. They are named for their...
12 KB (1,521 words) - 20:43, 3 September 2024
volcanic and volcanoclastic rocks of Oligocene age and predominantly quartz latite composition. The Cripple Creek volcanic complex is surrounded by Precambrian...
16 KB (1,367 words) - 16:36, 18 September 2024
plagioclase is termed a monzodiorite. The volcanic equivalent of monzonite is latite. The plagioclase in monzonite is sodium-rich, ranging from oligoclase to...
8 KB (895 words) - 21:51, 7 January 2024
the ratio of potassium to sodium (so that potassic trachyandesites are latites and sodic trachyandesites are benmoreites). Some of the more mafic fields...
48 KB (5,656 words) - 02:36, 23 June 2024
Trachytic boulders of different and varied sizes created by volcanic activity of quartz-latite lavas over a million years ago...
21 KB (1,899 words) - 12:38, 15 October 2024
S. and J. R. Holloway (1984) Lower crustal nodules from the Camp Creek latite, Carefree, Arizona. Kimberlites II: The mantle and cryst-mantle relationships...
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Shoshonite. S3 (Trachyandesite—*Sodic and potassic variants are Benmoreite and Latite. Pc (Picrobasalt) U1 (Basanite or Tephrite)—Use normative mineralogy to...
4 KB (600 words) - 02:56, 15 November 2023
silica-undersaturated sodium-rich variety of trachyandesite (the other kind is latite) and belongs to the alkaline suite of igneous rocks. It was named after...
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erosion process on the more recent rock, formed into columnar basalt, or latite. Before the cedar-getters (comprising ex-convicts, convicts and runaways...
26 KB (2,977 words) - 11:09, 2 August 2024
oxidation found in fault and fracture zones in Laramide volcanics and quartz latite porphyry intrusives. Silver ore was also occurred in manganese oxides with...
71 KB (7,489 words) - 22:51, 3 November 2024
Mountain, Moultonborough, New Hampshire Whatcom County, Washington Bombo Latite, Bombo, New South Wales Narooma Basalt, Narooma, New South Wales Fingal...
28 KB (2,357 words) - 16:16, 24 October 2024
features mainly formed during early Tertiary igneous activity when andesite, latite and rhyolite was extruded to form the Black Range and the San Mateo Mountains...
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minette) might be classified as potassic trachybasalt, shoshonite, or latite using the total alkali-silica diagram (see TAS classification), or as absarokite...
17 KB (2,187 words) - 21:55, 13 August 2024
makes one volcanic massif. It is made of magmatic rocks, chiefly quartz latite and dacite (andesite), suitable for masonry and road building. The peak...
14 KB (1,592 words) - 06:17, 10 September 2024
discovered, it was found as dense white masses in alternating dikes of quartz latite and quartz monzonite alongside other secondary minerals such as sphalerite...
10 KB (1,207 words) - 18:32, 19 January 2024