| 释义 |
Definition of shield volcano in English: shield volcanonoun Geology A broad domed volcano with gently sloping sides, characteristic of the eruption of fluid, basaltic lava. Example sentencesExamples - Using the radiometric ages of the central islands, we have identified a progression of the volcanic quiescence, from Gran Canaria to the central shield volcano of Tenerife and La Gomera.
- Debris flow deposits, formerly called ‘polygenic breccias’, are found intercalated between the submarine shield volcano and the horizontal lava flows.
- Mayor Island is a shield volcano with a caldera in the western part of the Bay of Plenty, off the east coast of New Zealand.
- When gas from the magma chamber has been exhausted, the lava erupts more quietly to form a broader and lower edifice, a shield volcano.
- The eastward dip of the northern part of the shield volcano suggests that the island formerly extended to the north.
Definition of shield volcano in US English: shield volcanonoun Geology A broad domed volcano with gently sloping sides, characteristic of the eruption of fluid, basaltic lava. Example sentencesExamples - The eastward dip of the northern part of the shield volcano suggests that the island formerly extended to the north.
- Mayor Island is a shield volcano with a caldera in the western part of the Bay of Plenty, off the east coast of New Zealand.
- Debris flow deposits, formerly called ‘polygenic breccias’, are found intercalated between the submarine shield volcano and the horizontal lava flows.
- Using the radiometric ages of the central islands, we have identified a progression of the volcanic quiescence, from Gran Canaria to the central shield volcano of Tenerife and La Gomera.
- When gas from the magma chamber has been exhausted, the lava erupts more quietly to form a broader and lower edifice, a shield volcano.
|