ultramafic,英語單詞,主要用作為形容詞,用作形容詞譯為“ [岩] 超鎂鐵的;超基性的,超鹼的”。
基本介紹
- 外文名:ultramafic
- 英式讀音:[ˌʌltrəˈmæfɪk]
- 美式讀音:[ˌʌltrəˈmæfɪk]
- 詞性:形容詞
ultramafic,英語單詞,主要用作為形容詞,用作形容詞譯為“ [岩] 超鎂鐵的;超基性的,超鹼的”。
超鐵鎂質角礫岩 超鐵鎂質角礫岩(Ultramafic Breccia)是採集於阿里地區日土縣且若瓊波東南500m的岩石標本。特徵描述 墨綠色,細礫結構,塊狀構造,主要成分:輝石、橄欖石。主要用途 用於建築裝飾。
Melastoma ultramaficum Melastoma ultramaficum是植物界被子植物門木蘭綱薔薇亞綱薔薇超目桃金孃目野牡丹科野牡丹屬植物。
Drosera ultramafica Drosera ultramafica是植物界被子植物門木蘭綱薔薇亞綱石竹超目石竹目茅膏菜科茅膏菜屬植物。
Syzygium ultramaficum Syzygium ultramaficum是植物界被子植物門木蘭綱薔薇亞綱薔薇超目桃金孃目桃金孃科蒲桃屬植物。
碳酸超鐵鎂質岩 碳酸超鐵鎂質岩(Carbonate Ultramafic Rock)是採集於西藏山南地區曲松縣康金拉礦區的岩石標本。特徵描述 灰色,中細粒結構,塊狀構造,主要礦物:橄欖石、輝石。主要用途 科學研究。
mafic magma 鎂鐵岩漿 ; 鎂鐵質岩漿 mafic mica 鎂鐵雲母 mafic dikes 基性岩脈 mafic magmatism 鎂鐵質岩漿作用 mafic lava 鎂鐵質熔岩 mafic rocks 鎂鐵質岩石 Mafic xenoliths 基性包體 雙語例句 Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.黑雲母一般是鎂鐵質及超鎂...
Frangula purshiana subsp. ultramafica Frangula purshiana subsp. ultramafica是植物界被子植物門木蘭綱薔薇亞綱薔薇超目薔薇目鼠李科裸芽鼠李屬植物。
超鎂鐵質岩圍岩 超鎂鐵質岩圍岩(Ultramafic Surrounding Rock)是採集於新疆阿勒泰地區富蘊縣扎河壩地區的岩石標本。特徵描述 土黃色,粒狀結構,塊狀構造,主要礦物為橄欖石及輝石,岩石矽化及蛇紋石化,有殘餘角礫成分。主要用途 科學研究。
超鎂鐵質岩分類(ultramafic rock classification)深成的超鎂鐵質岩是按照其鎂鐵質礦物(由橄欖石、斜方輝石、單斜輝石、角閃石,有時有黑雲母和通常含有少量的各種石榴子石及尖晶石等組成)的含量進行分類的。兩個圖解均由國際地科聯(IUGS)火成岩分類學分委會1976年推薦。一個用於基本上由橄欖石、斜方輝石和單斜...
超鎂鐵質岩(輝橄岩)超鎂鐵質岩(輝橄岩)(Ultramafic rocks(Lherzolite))是採集於日喀則市的礦石標本。化石產地 日喀則市 發展歷史 科學研究。
但SiO2含量高於45%(例如,頑火輝石岩含SiO260%,透輝石岩含SiO255.6%),所以,它是超鎂鐵質岩,而不是超基性岩;又如斜長岩,是由鈣的矽鋁酸鹽礦物組成,SiO2含量低於45%,屬於超基性岩,但不是超鎂鐵質岩。文獻中曾有超鎂鐵岩(ultramafite)用來代替超鎂鐵質侵入岩的不太確切的術語,建議不作為岩石名稱 ...
超鎂鐵質岩捕虜體(ultramafic xenolith),即地幔捕虜體。捕虜體分類 淺源捕虜體 淺源捕虜體,簡稱捕虜體是指花崗岩體侵位時捕獲的圍岩碎塊。岩石類型主要為各種變質岩或變沉積岩。具變晶結構或變余結構構造,有的與寄主岩漿相互作用後可發生成分變化,而形成各種交代結構和環帶狀構造,圍岩中有對應的岩石。多...
1912)等人提出。鐵鎂質岩和超鐵鎂質岩侵入岩在地表分布較少,這類火成岩基本上都來自上地幔,其中超鐵鎂質岩可以是上地幔通過構造作用直接到達地表的,也可以是由地幔源區部分熔融形成的,可分為岩漿成因和構造成因(冷侵位)兩類。超鐵鎂質岩(ultramafic rocks)在化學成分上貧SIO2、K2O、Na2O,富MgO、FeO。
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