Rock, usually limestone, composed of oolites.
岩石岩石，通常指石灰岩，由鲕粒岩组成
lithic arkosic wacke
岩屑长石砂岩质杂砂岩
Petrology is the science of the rocks.
岩石学是岩石的科学。
The rocky crust of the earth.
岩石圈地球的岩石外表
Sedimentary and Metamorphic Petrology
沉积岩岩石学与变质岩岩石学
Rock, usually limestone, composed of pisoliths.
豆石，豆岩由豆石构成的岩石，常为石灰岩
The main rocks in the complex are gabbro, gabbro-diabase, pyroxenite and olivine-pyroxenite etc.
杂岩体主要岩石类型为:辉长岩、长辉绿岩、辉石岩、榄辉石岩等。
sedimentary rocks,eg sandstone,limestone,slate
沉积岩（如砂岩、石灰岩、板岩）.
subfeldspathic lithic arenite
亚长石质岩屑砂屑岩
feldspar porphyry dyke
斑状长石岩墙〔岩脉〕
molten rock, steel, lava
熔化的岩石、 钢水、 岩浆.
To form(rock) into breccia.
使（岩石）形成角砾岩
ledge rock
礁石, 坚石岩, 含矿[突出]岩石
petrolwum tar sand
含石油沥青的岩石或砂
magnesian limestone
白云石, 含镁石灰岩
epidote-tremolite schist
绿帘石-透闪石片岩
The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz.
火成岩的碎块成分主要为石英岩、岩、麻岩、武岩、山岩和流纹岩.
lithic subarkosic wacke
岩屑亚长石砂岩质杂砂岩