Definition of xenolith in English:

xenolith

nounˈzɛnəlɪθˈzɛnəlɪθ

Geology

A piece of rock within an igneous mass which is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock.
Example sentencesExamples
- The granite contains abundant xenoliths of the country rock.
- However, rare xenoliths of sedimentary rocks occur in the granite.
- Partial melting models, isotopic studies and the petrology of entrained ultramafic xenoliths suggest that many basanitic magmas are sourced in the asthenosphere.
- If the magma has risen quickly from the source region of the volcano, the xenoliths may represent country rock from all levels of the crust through which it has travelled.
- The basalt, inferred to be of Miocene age, appears to be an alkali basalt that contains xenoliths of ultramafic rocks (peridotite and pyroxenite) up to a few centimeters in size.

Derivatives

xenolithic

adjective

Geology

And even in cases where volcanism has taken place, there are often older chunks of unmelted rock, called xenolithic inclusions, that can be identified within a lava flow and dated accurately.
Example sentencesExamples
- PLT - 2 is a grey, fine-grained rock that occurs as xenolithic rafts within PLT-I.
- Higher up the section leucogranites become increasing more abundant and the pelitic gneisses occur only as xenolithic stringers enclosed wholly by the granite.
- They were a series of most interesting specimens that proved clearly the abnormal and intensely xenolithic character of the rock in question.
- ESR dating of volcanic rocks, through the use of either phenocrystic or xenolithic quartz, has received increasing interest in the past decade.

Definition of xenolith in US English:

xenolith

nounˈzenəliTHˈzɛnəlɪθ

Geology

A piece of rock within an igneous rock that is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock.
Example sentencesExamples
- If the magma has risen quickly from the source region of the volcano, the xenoliths may represent country rock from all levels of the crust through which it has travelled.
- The granite contains abundant xenoliths of the country rock.
- Partial melting models, isotopic studies and the petrology of entrained ultramafic xenoliths suggest that many basanitic magmas are sourced in the asthenosphere.
- The basalt, inferred to be of Miocene age, appears to be an alkali basalt that contains xenoliths of ultramafic rocks (peridotite and pyroxenite) up to a few centimeters in size.
- However, rare xenoliths of sedimentary rocks occur in the granite.

单词	xenolith
释义	Definition of xenolith in English: xenolith nounˈzɛnəlɪθˈzɛnəlɪθ Geology A piece of rock within an igneous mass which is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock. Example sentencesExamples The granite contains abundant xenoliths of the country rock. However, rare xenoliths of sedimentary rocks occur in the granite. Partial melting models, isotopic studies and the petrology of entrained ultramafic xenoliths suggest that many basanitic magmas are sourced in the asthenosphere. If the magma has risen quickly from the source region of the volcano, the xenoliths may represent country rock from all levels of the crust through which it has travelled. The basalt, inferred to be of Miocene age, appears to be an alkali basalt that contains xenoliths of ultramafic rocks (peridotite and pyroxenite) up to a few centimeters in size. Derivatives xenolithic adjective Geology And even in cases where volcanism has taken place, there are often older chunks of unmelted rock, called xenolithic inclusions, that can be identified within a lava flow and dated accurately. Example sentencesExamples PLT - 2 is a grey, fine-grained rock that occurs as xenolithic rafts within PLT-I. Higher up the section leucogranites become increasing more abundant and the pelitic gneisses occur only as xenolithic stringers enclosed wholly by the granite. They were a series of most interesting specimens that proved clearly the abnormal and intensely xenolithic character of the rock in question. ESR dating of volcanic rocks, through the use of either phenocrystic or xenolithic quartz, has received increasing interest in the past decade. Definition of xenolith in US English: xenolith nounˈzenəliTHˈzɛnəlɪθ Geology A piece of rock within an igneous rock that is not derived from the original magma but has been introduced from elsewhere, especially the surrounding country rock. Example sentencesExamples If the magma has risen quickly from the source region of the volcano, the xenoliths may represent country rock from all levels of the crust through which it has travelled. The granite contains abundant xenoliths of the country rock. Partial melting models, isotopic studies and the petrology of entrained ultramafic xenoliths suggest that many basanitic magmas are sourced in the asthenosphere. The basalt, inferred to be of Miocene age, appears to be an alkali basalt that contains xenoliths of ultramafic rocks (peridotite and pyroxenite) up to a few centimeters in size. However, rare xenoliths of sedimentary rocks occur in the granite.
随便看	look like something the cat dragged (or brought) in look like sth the cat brought in look like sth the cat dragged in look like the cat brought in look like the cat dragged in look lively look lively look lively (or dated alive) look miserable look on look on look on as look on as being look on at look one's age look one's age look oneself look oneself look on the black side look on the black side look on the bright side look on the bright side look on to look on with favour look (or be) slippy