火山沉积，是由于火山作用沉落于盆地中的物质。基性火山沉积物通常见于局部地区，并且相对于酸性物质来说容易变成自生矿物。
... 火山尘埃 volcanic dust 火山沉积 volcanic sediment 火山沉陷 cauldron subsidence ...
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... 火山残颈山 volcanic butte; 火山沉积 volcanic deposit; 火山沉积钠长岩 albitolite; ...
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火山沉积钠长岩 [岩] albitolite
火山沉积矿床 volcano sedimentary deposit
火山沉积物 volcanic sediments
火山沉积岩系 volcanic sedimentary rock series
火山-沉积变质矿床 volcano-sedimentary metamorphic deposit
火山喷溢沉积型 Volcano-sedimentary spill ; Volcanic eruption - sedimentary ; volcanic explosions - sediment type
火山灰沉积岩 pozzuolana sedimentary soil
火山渣沉积 cinerite
绿片岩原岩是一套含板内拉斑玄武岩的火山沉积建造。
The greenschists originated from a series of volcanic - sedimentary formations with intercalated intracontinental tholeiites.
北台盆地为宽缓的向斜，盆地沉积充填序列为火山沉积序列。
Beitai basin is a trapped syncline with its sedimentary sequence composed of volcanic sedimentary facies.
粘土沉积分布在古代的火山表面和坑坑洼洼的高原地区，其中一些显然是最近才由于侵蚀而暴露出来的。
The clay deposits are scattered all over, in ancient volcanic surfaces and heavily cratered highland regions, some of which have apparently been exposed by erosion only recently.
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