| 释义 |
Definition of diorite in English: dioritenoun ˈdʌɪərʌɪtˈdaɪəˌraɪt mass nounGeology A speckled, coarse-grained igneous rock consisting essentially of plagioclase, feldspar, and hornblende or other mafic minerals. 〔地质〕闪长岩 Example sentencesExamples - The clasts range from angular to subrounded and show a weak preferred orientation when elongate; they include micaceous siltstone, fine-grained sandstone, tuffaceous rock, andesite and medium-grained diorite.
- All granitoids in the footwall of the Simav detachment are dominated by medium - to coarse-grained granite, granodiorite, quartz monzonite, diorite and syenogranite.
- It is dominated by variably foliated, medium-grained, even-textured to porphyritic biotite hornblende tonalite and quartz diorite.
- The thrust sheet overlying the Delaney Dome Formation is composed of the basic Ballyconneely Amphibolite and interbanded quartz diorite and hornblende gneiss that intrude the Dalradian sediments.
- Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa.
Derivativesadjective dʌɪəˈrɪtɪk Geology Fine anatase specimens occur near the Lot mine, Cebolla, Gunnison County, Colorado, where it forms well-developed crystals to 1 cm in veinlets and on joint surfaces of a dioritic dike. Example sentencesExamples - Minor, decimetre-scale patches of hornblendic mafic material have been interpreted as a minor dioritic facies of the intrusion, and are petrographically identical to those of the Vagastie Bridge granite.
- A dioritic pod in varitextured gabbro was sampled for U-Pb age determination.
- Like the Kevins Dam suite, these granites may also be derived from melting of quartz dioritic to tonalitic rocks.
- Numerous undated granitic and dioritic plutons intrude the Palaeozoic rocks and form large areas of Karlik Tagh and Barkol Tagh.
OriginEarly 19th century: coined in French, formed irregularly from Greek diorizein 'distinguish' + -ite1. Definition of diorite in US English: dioritenounˈdīəˌrītˈdaɪəˌraɪt Geology A speckled, coarse-grained igneous rock consisting essentially of plagioclase, feldspar, and hornblende or other mafic minerals. 〔地质〕闪长岩 Example sentencesExamples - It is dominated by variably foliated, medium-grained, even-textured to porphyritic biotite hornblende tonalite and quartz diorite.
- Among the 30 different types of stone recognized are varieties of diorite, granite, bedded tuff, sandstones, limestones, and tufa.
- All granitoids in the footwall of the Simav detachment are dominated by medium - to coarse-grained granite, granodiorite, quartz monzonite, diorite and syenogranite.
- The thrust sheet overlying the Delaney Dome Formation is composed of the basic Ballyconneely Amphibolite and interbanded quartz diorite and hornblende gneiss that intrude the Dalradian sediments.
- The clasts range from angular to subrounded and show a weak preferred orientation when elongate; they include micaceous siltstone, fine-grained sandstone, tuffaceous rock, andesite and medium-grained diorite.
OriginEarly 19th century: coined in French, formed irregularly from Greek diorizein ‘distinguish’ + -ite. |