nham phun xuất
Definition
- Noun (Geology):
- Pyroclastic material: Solid rock fragments, ash, and other volcanic ejecta that are explosively expelled from a volcanic vent during an eruption.
Usage Examples
- Noun:
- Sau vụ phun trào, một lớp nham phun xuất dày đặc phủ kín thị trấn. (After the eruption, a thick layer of pyroclastic material blanketed the town.)
- Các nhà địa chất nghiên cứu thành phần của nham phun xuất để hiểu về hoạt động của núi lửa. (Geologists study the composition of pyroclastic material to understand volcanic activity.)
Advanced Usage
- The term is a technical, compound geological term. It is often used in scientific descriptions of volcanic eruptions and their deposits.
Variants and Related Words
- Vật liệu núi lửa (n): Volcanic material. A more general term.
- Tro núi lửa (n): Volcanic ash. A specific type of fine pyroclastic material.
- Dung nham (n): Lava. Refers specifically to molten rock that flows, in contrast to the solid fragments of .
Synonyms
- Pyroclastics: The English technical synonym.
- Tephra: A more general scientific term for all fragmental material produced by a volcanic eruption, regardless of size or composition.
- Volcanic ejecta: A descriptive synonym for erupted material.
Related Terms
- Dòng nham phun xuất (n): Pyroclastic flow. A fast-moving current of hot gas and volcanic matter.
- Dòng nham phun xuất là mối nguy hiểm chính trong nhiều vụ phun trào. (Pyroclastic flows are a primary hazard in many eruptions.)