Definition of phreatomagmatic in English:

phreatomagmatic

adjective frɪˌatə(ʊ)maɡˈmatɪkfrēˌadəmaɡˈmadik

Geology

(of a volcanic eruption) in which both magmatic gases and steam from groundwater are expelled.
〔地质〕（火山喷发）潜水-岩浆相互作用的，岩浆蒸气喷发的
Example sentencesExamples
- A similar degree of compositional variation between pyroclast glasses of phreatomagmatic pyroclastic rocks and intruding dykes has been recognized from the vent remnant of Szigliget, western Hungary.
- These are commonly present as pyroclastic deposits rather than lava because their early arrival favours interaction with groundwater to produce phreatomagmatic eruptions, and/or because they have higher volatile contents.
- After 1 August phreatomagmatic activity resumed and continued at a gradually diminishing rate until 5 August.
- These rafts were originally surface phreatomagmatic deposits, which were probably wet when they slumped into the vent complex.
- Mud and sand volcanoes are positive topographic features that have many of the aspects of normal phreatomagmatic volcanism resulting from explosive interaction between hot magma and water.

Origin

1960s: from Greek phrear, phreat- ‘a well’ + magmatic (see magma).

Definition of phreatomagmatic in US English:

phreatomagmatic

adjectivefrēˌadəmaɡˈmadik

Geology

(of a volcanic eruption) in which both magmatic gases and steam from groundwater are expelled.
〔地质〕（火山喷发）潜水-岩浆相互作用的，岩浆蒸气喷发的
Example sentencesExamples
- These are commonly present as pyroclastic deposits rather than lava because their early arrival favours interaction with groundwater to produce phreatomagmatic eruptions, and/or because they have higher volatile contents.
- A similar degree of compositional variation between pyroclast glasses of phreatomagmatic pyroclastic rocks and intruding dykes has been recognized from the vent remnant of Szigliget, western Hungary.
- After 1 August phreatomagmatic activity resumed and continued at a gradually diminishing rate until 5 August.
- These rafts were originally surface phreatomagmatic deposits, which were probably wet when they slumped into the vent complex.
- Mud and sand volcanoes are positive topographic features that have many of the aspects of normal phreatomagmatic volcanism resulting from explosive interaction between hot magma and water.

Origin

1960s: from Greek phrear, phreat- ‘a well’ + magmatic (see magma).

词汇	phreatomagmatic
释义	Definition of phreatomagmatic in English: phreatomagmatic adjective frɪˌatə(ʊ)maɡˈmatɪkfrēˌadəmaɡˈmadik Geology (of a volcanic eruption) in which both magmatic gases and steam from groundwater are expelled. 〔地质〕（火山喷发）潜水-岩浆相互作用的，岩浆蒸气喷发的 Example sentencesExamples A similar degree of compositional variation between pyroclast glasses of phreatomagmatic pyroclastic rocks and intruding dykes has been recognized from the vent remnant of Szigliget, western Hungary. These are commonly present as pyroclastic deposits rather than lava because their early arrival favours interaction with groundwater to produce phreatomagmatic eruptions, and/or because they have higher volatile contents. After 1 August phreatomagmatic activity resumed and continued at a gradually diminishing rate until 5 August. These rafts were originally surface phreatomagmatic deposits, which were probably wet when they slumped into the vent complex. Mud and sand volcanoes are positive topographic features that have many of the aspects of normal phreatomagmatic volcanism resulting from explosive interaction between hot magma and water. Origin 1960s: from Greek phrear, phreat- ‘a well’ + magmatic (see magma). Definition of phreatomagmatic in US English: phreatomagmatic adjectivefrēˌadəmaɡˈmadik Geology (of a volcanic eruption) in which both magmatic gases and steam from groundwater are expelled. 〔地质〕（火山喷发）潜水-岩浆相互作用的，岩浆蒸气喷发的 Example sentencesExamples These are commonly present as pyroclastic deposits rather than lava because their early arrival favours interaction with groundwater to produce phreatomagmatic eruptions, and/or because they have higher volatile contents. A similar degree of compositional variation between pyroclast glasses of phreatomagmatic pyroclastic rocks and intruding dykes has been recognized from the vent remnant of Szigliget, western Hungary. After 1 August phreatomagmatic activity resumed and continued at a gradually diminishing rate until 5 August. These rafts were originally surface phreatomagmatic deposits, which were probably wet when they slumped into the vent complex. Mud and sand volcanoes are positive topographic features that have many of the aspects of normal phreatomagmatic volcanism resulting from explosive interaction between hot magma and water. Origin 1960s: from Greek phrear, phreat- ‘a well’ + magmatic (see magma).
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