1) Craters Extraction
火山口提取
2) flame detect
火焰提取
3) gap pick-up
缺口提取
4) summit crater
山顶火山口
5) Caldera
[英][kæl'dɛərə] [美][kæl'dɛrə]
破火山口
1.
Discovery of a giant caldera in the Yingcheng Formation in the Xujiaweizi fault depression, northern Songliao basin;
松辽盆地北部徐家围子断陷营城组大型破火山口的发现
2.
Yandangshan caldera is one of the well developed resurgent caldera tectonics in Moshishan group in eastern Zhejiang provice.
雁荡山破火山口构造以其独特的火山地貌形态，完美的环状断裂和环状圈层分布的岩相，环形展市的航磁异常和地球化学异常，显示出一个地质─地球物理、地球化学、岩相─构造配置较完整的典型破火山口模式，依壳、幔二元混合模拟计算。
3.
he author studies the Xianglushan Mesozoic caldera as an example,and describes the genesis and evolution of the caldera in different aspects, such as the structure character,volcanic rock sequence and volcanic apparatus etc.
本文以香炉山破火山口为例。
6) paleovolcanic crater
古火山口
1.
Researches in paleovolcanic geology and metallogeny to Zheyaoshan Cu-Zn deposit area of Baiyin Ore-field suggest that the area is a large paleovolcanic crater well-developed with a suite of erupted,erupt-flooded and flooded phases,volcanic stump,subvolcanic intrusions and extrusives as well as erupt-sedemantary phases.
古火山地质学和矿床学研究表明，白银矿田折腰山Ｃｕ－Ｚｎ矿床地段，是一个火山岩岩相发育齐全（包括喷发－爆发相、喷发－溢流相、溢流相、火山颈相、次火山侵入相、火山侵出相以及喷发－沉积相）、空间展布有序、相序关系清楚的大型古火山口。
补充资料：火山口
1.地质学名词。为火山活动时，由地壳内部喷出高温物质到地面的出口处。常以喻极其危险的境地。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条