TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A feldspar rich in alkali metals (as potassium and/or sodium) but poor in calcium.  4, record 1, English, - alkali%20feldspar

Record number: 1, Textual support number: 1 CONT

Alkali feldspars is the name for feldspars composed of Or and Ab in any ratio. Usually some An is present as a minor constituent. The amount of An that can be taken up by the alkali feldspars increases with the Ab/Or ratio. ... There are many names for the different varieties of alkali feldspars, most of which are listed ... below. Sanidine. ... Microcline. ... Orthoclase. ... Albite. ... Monalbite. ... Analbite. ... Perthite and antiperthite. ... Anorthoclase.  5, record 1, English, - alkali%20feldspar

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Feldspaths alcalins. Ce sont les feldspaths constitués par l'orthose et l'albite en toutes proportions; en général, ils peuvent également contenir, comme constituant mineur, de petites quantités d'anorthite qui augmentent en même temps que le rapport Ab/Or.  2, record 1, French, - feldspath%20alcalin

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 CONT

Diamonds ... are found in ... various igneous rock types of deep-seated origin (kimberlite, orangeite, lamproite, alnoite, aillikite, picritic monchiquite, alkali basalt) ...  7, record 2, English, - alkali%20basalt

Record number: 2, Textual support number: 1 OBS

alkali basalt: A collective term for extrusive matic rocks containing modal or mormative feldspathoids (usually nepheline). Olivine and Ti-rich augite are the dominant ferromagnesian silicates in these rocks.  8, record 2, English, - alkali%20basalt

Record number: 2, Textual support number: 2 OBS

Alkali basalts are the volcanic equivalents of alkali gabbros.  9, record 2, English, - alkali%20basalt

Record number: 2, Textual support number: 3 OBS

alkali basalt; alkali-olivine basalt: terms used at Natural Resources Canada - Earth Sciences Sector.  10, record 2, English, - alkali%20basalt

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

[...] l'une des deux grandes familles de basalte [qui] est constituée de basaltes sous-saturés mélanocrates, à olivine abondante, labrador, augite, peu calcique et titanifère, avec souvent un peu de feldspathoïde et de mélilite.  3, record 2, French, - basalte%20alcalin

Record number: 2, Textual support number: 1 CONT

[...] on distingue deux types principaux de basaltes : les basaltes tholéitiques [...]; les basaltes alcalins, ou basaltes à olivine, très pauvres en silice.  2, record 2, French, - basalte%20alcalin

Record number: 2, Textual support number: 2 CONT

Les diamants se rencontrent dans [...] des roches ignées d'origine profonde de différents types (kimberlite, orangéite, lamproïte, alnoïte, aillikite, monchiquite picritique et basalte alcalin) [...]  4, record 2, French, - basalte%20alcalin

Record number: 2, Textual support number: 1 OBS

Ces basaltes [alcalins] sont plus riches que les tholéiites en Na₂O et K₂O. Ils sont surtout présents dans les volcans continentaux et parfois dans les arcs insulaires.  3, record 2, French, - basalte%20alcalin

Record number: 2, Textual support number: 2 OBS

basalte alcalin : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  5, record 2, French, - basalte%20alcalin

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

Said of silicate minerals and rocks containing alkali metals (sodium, potassium, and more rarely, lithium, rubidium, and cesium) but little calcium.  4, record 3, English, - alkalic

Record number: 3, Textual support number: 1 OBS

alkaline; alkalic: terms used at Natural Resources Canada - Earth Sciences Sector.  5, record 3, English, - alkalic

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

[Se dit de roches et de minéraux] possédant des ions Na et K [...]  2, record 3, French, - alcalin

Record number: 3, Textual support number: 1 CONT

Roches alcalines, roches éruptives dans lesquelles le rapport Na₂O+K₂O/AL₂O₃ est supérieur à 1.  3, record 3, French, - alcalin

Record number: 3, Textual support number: 2 CONT

[...] les granites, comme les syénites néphéliniques sont des roches alcalines.  2, record 3, French, - alcalin

Record number: 3, Textual support number: 1 OBS

alcalin : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.  4, record 3, French, - alcalin

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  French

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

Igneous rock containing more alkali metals (potassium and/or sodium) than is considered average for the group of rocks to which it belongs.  4, record 5, English, - alkali%20rock

Record number: 5, Textual support number: 1 CONT

The alkaline rocks have variable compositions, felsic members include nepheline-syenites, mafic members, ijolites, ultramafic, peridotites, mica pyroxenites, and jacupirangites ...  5, record 5, English, - alkali%20rock

Record number: 5, Textual support number: 2 CONT

Carbonatite complexes consist of intrusive magmatic carbonates and associated alkaline igneous rocks. ... There are exceptions where carbonatite complexes are not directly associated with any alkalic rocks ...  6, record 5, English, - alkali%20rock

Record number: 5, Textual support number: 1 OBS

Not to be confused with "basic rock." It should be noted that the opposite of alkali is calc-alkali, not acid.  7, record 5, English, - alkali%20rock

Record number: 5, Textual support number: 1 PHR

Dyke of alkaline rock.  5, record 5, English, - alkali%20rock

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 CONT

On parle de roches alcalines quand elles contiennent des feldspaths potassiques et sodiques [...]  2, record 5, French, - roche%20alcaline

Record number: 5, Textual support number: 2 CONT

Les roches alcalines sont de composition variable; les membres felsiques incluent des syénites néphéliniques, les membres mafiques, des ijolites, et les membres ultramafiques, des péridotites, des pyroxénites à mica et des jacupirangites [...]  3, record 5, French, - roche%20alcaline

Record number: 5, Textual support number: 3 CONT

La néphéline [...] se trouve [...] dans toutes les roches sous-saturées, volcaniques ou grenues, que celles-ci soient alcalines (phonolites, syénites néphéliniques) ou basiques (basanites, théralites, ijolites).  4, record 5, French, - roche%20alcaline

Record number: 5, Textual support number: 1 PHR

Dyke de roches alcalines.  3, record 5, French, - roche%20alcaline

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

Syenite in which less than 5% of the plagioclase is more basic than albite.  4, record 6, English, - alkali%20syenite

Record number: 6, Textual support number: 1 CONT

Alkalic, or alkali, syenytes are a special group of rocks that are differentiated from other syenites by the fact that they contain a feldspathoid mineral, such as sodalite, leucite, or nepheline. They also contain significantly less quartz than other syenites. Relatively rare on a global scale, one of the best examples of an alkalic syenite can be found at Mont St. Hilaire in Quebec, Canada.  2, record 6, English, - alkali%20syenite

Record number: 6, Textual support number: 2 CONT

Two groups of syenites have long been distinguished, the "alkali syenites" and the "alkali-lime syenites", or "orthosyenites".  5, record 6, English, - alkali%20syenite

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 CONT

Les roches «exactement saturées en silice» : ce groupe comprend les syénites alcalines [...]  2, record 6, French, - sy%C3%A9nite%20alcaline

Record number: 6, Textual support number: 1 OBS

[...] s'il y a moins de 5 % de plagioclase plus basique que l'albite.  3, record 6, French, - sy%C3%A9nite%20alcaline

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

One of the four chemical classes of igneous rocks distinguished by Peacock based on the alkali-lime index.  1, record 7, English, - alkalic%20series

Record number: 7, Textual support number: 1 CONT

The large disseminated Cu-Au-Ag deposits at Copper Mountain, British Columbia have been classified by Sutherland Brown et al. (1971) as complex porphyry-type deposits of the alkaline suite ...  3, record 7, English, - alkalic%20series

Record number: 7, Textual support number: 1 OBS

This term [alkalic series] comprises those rock series with alkali-lime indexes less than 51.  1, record 7, English, - alkalic%20series

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

Série de roches éruptives riches en feldspaths alcalins et en feldspathoïdes.  2, record 7, French, - s%C3%A9rie%20alcaline

Record number: 7, Textual support number: 1 OBS

Elles peuvent être divisées, en fonction de la présence de silicates sodiques ou potassiques, en roches alcalino-sodiques ou alcalino-potassiques.  3, record 7, French, - s%C3%A9rie%20alcaline

Record 7,  Textual support,  Spanish

Record 8,  Textual support,  French

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  French

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  English

Record number: 10, Textual support number: 1 DEF

A coarse-grained, plutonic rock carrying free quartz and alkali feldspar.  1, record 10, English, - alkali%20granite

Record number: 10, Textual support number: 1 CONT

The host rocks of the Thor Lake deposits are the Blachford Lake Complex, a sub-circular series of syenite and alkalic granite with a crude and incompletely developed concentric distribution of intrusive phases.  2, record 10, English, - alkali%20granite

Record 10,  Textual support,  French

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 CONT

Les intrusions alcalines, y compris les carbonatites, sont largement répandues, mais éparses.  2, record 11, French, - intrusion%20alcaline

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 CONT

Alkalic gabbros are a rather rare group of rocks. They occur in complex hypabyssal associations such as differentiated sills or volcanic complexes and grade into alkalic diorites and monzonite on the one hand, ultramafic rocks on the other hand.  1, record 12, English, - alkalic%20gabbro

Record number: 12, Textual support number: 2 CONT

Hypabyssal and plutonic rocks of the Alkali Gabbro Clan are particularly variable in coarseness, texture, and mineral content.  3, record 12, English, - alkalic%20gabbro

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 CONT

Gabbros alcalins. Ce sont des roches intrusives basiques, caractérisées par une teneur élevée en feldspath potassique (orthose) et par la présence ou non de feldspathoïdes. Parmi ces roches, il faut signaler: les «essexites», les «théralites» et les «shonkinites»; en fait, ce sont des curiosités pétrographiques.  2, record 12, French, - gabbro%20alcalin

Record number: 12, Textual support number: 2 CONT

Le gabbro alcalin qui contient plus de 5% de feldspathoïdes est appelé théralite.  3, record 12, French, - gabbro%20alcalin

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  French

Record 13,  Textual support,  Spanish