The volcanic crytoexplosive breccia body is orecontrolling wall rock.
香炉碗子金矿床产于脆—韧性剪切带内，控矿围岩为火山隐爆角砾岩体。
In the exploring process of the gold deposits in the west part of the Dianfang volcanic breccia rocks,a breakthrough has been made and five new gold ore bodies have been delineated.
店房火山角砾岩体西段金矿勘查取得突破,新圈定金矿体5条,均赋存在断裂构造中。
A small, solidified fragment of lava.
火山砾熔岩中凝固了的小碎片
THE HISTORY OF CRYSTALLIZATION AND EVOLUTION OF LABRADOR MEGACRYST LAPILLI FROM TOLBACHIK VOLCANO,USSR
苏联托勒巴契克火山拉长石巨晶火山砾的结晶演化历史
Favorable reservoirs may be composed of sandstones, conglomerates basement metamorphic buried hills, and volcanic rocks.
砂岩、砾岩、基底变质岩潜山，火山岩均可形成良好储层。
A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.
凝灰岩致密火山灰构成的岩石，大小以细粒至粗砾石不等
The tools are known as cobbles, lumps of volcanic basalt split by hitting them with another rock, leaving sharp cutting edges.
这些名为砾石的石器，是用另一块石头从火山玄武岩上敲下来的，具有锋利的刃。
Uplift of Lüliang Mountains and Evolution of Huanghe River-Evidence from Gravel Beds in Piedmont
从山前砾石看黄河形成与吕梁山隆升
MORPHOLOGY AND LONODSCAPE RESOURCES ASSESSMENT OF THE CONGLOMERATE KARST IN LUSHAN COUNTY;
芦山县砾岩岩溶形态及景观资源评价
The Designing and Construction of Garden Rockery Made of Pulverized Coal Ash and Ceramic Content-vacant Blocks;
粉煤灰陶砾空心砖假山的设计与施工
DISCUSSION ON GEOLOGICAL AGE OF KONGTONGSHAN CONGLOMERATE IN PINGLIANG CITY,GANSU PROVINCE
甘肃平凉“崆峒山砾岩”地层时代的商榷
STUDY OF GLACIOFLUVIAL DEPOSIT GENESIS OF CONGLOMERATE OF HONGLISHAN FORMATION OF PALAEOGENE-EOCENE SERIES IN XIAZIJIE REGION,XINJIANG
新疆夏子街—带古—始新统红砾山组砾岩冰水沉积成因的探讨
vulcanicity (vulcanism)
火山作用,火山活动
The volcano is extinct.
这座火山是座死火山。
The scientific study of volcanoes and volcanic phenomena.
火山学火山和火山现象的科学研究
relating to or produced by or consisting of volcanoes.
关于火山，由火山制造出，或由火山组成。
Research on the Engineering Geological Properties of Moraine/Outwash Rocks on the West Side of the Yulong Mountains
玉龙雪山西麓冰碛(水)砾岩的工程地质特性研究
Study on great gravel on mountaintop,gully,channel,slope,beach,cape and foot of mountain Laoshan
崂山顶、涧、沟、坡、麓、滩、岬一带巨砾成因研究
Study on the Mechanism of Reseeding on the Sandy-Gravel Desert Grassland in the Northern Slope of Tianshan Mountain;
天山北坡砾沙质荒漠草地补播改良机理的研究
PRELIMINARY STUDY ON THE ERRATIC EXPOSURE AGES OF GROVE MOUNTAINS,EAST ANTARCTICA
东南极格罗夫山萨哈罗夫岭漂砾暴露年龄初探