It consisted mainly of micaschists, but also minor quartzites.
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2. 溪砂石骨料混凝土或石英岩身材中等难度降低。
Concrete with river gravel or quartzite aggregate is of medium difficulty to cut.
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3. 它的矿物资源是煤、石英岩、大理石、铜、领引和锌等等。
Its mineral resources are coal, quartzite, marble, copper, lead and zinc etc.
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4. 研究温度变化对磁铁石英岩和赤铁石英岩微结构的影响。
The effect of temperature on the structures of two kinds of ore is studied.
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5. 我们能够提供花岗岩，大理石，板岩，砂岩，石英岩，李。
We're able to provide granite, marble, SLATE, sandstone, quartzite, li.
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6. 车道的设计由灰色石英岩鹅卵石组成，刻意保持了一种低调感。
The driveway design is executed with the use of grey quartzite cobblestones and is deliberately kept understated.
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7. 在釉面砖生产中研究了用长石石英岩替代长石和石英的可能性。
The Possibility of replacement of feldspa and quartz by feldspa-quartzose stone was studied in glazed tile production.
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8. 壁炉覆盖着瓦尔斯石英岩，形成客厅的西部边缘，客厅上方有大型的天窗。
A fireplace clad in Vals quartzite forms the western edge of the living room with a large skylight above.
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9. 测区内发现磁铁石英岩残留体、粗面斑岩、大理岩、钠长岩等新岩石类型。
The new type of rocks such as the residuum of magnetite quartzite, trachyte porphyry, marble and sodaclase are found in the survey area.
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10. 五强溪水电站石英岩人工砂石骨料加工厂是我国最大的人工骨料加工系统。
Wuqiangxi quartzite aggregate processing plant is the largest aggregate processing system in China.
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11. 这个矿物持续穿过大厅的地板，就像实心石块一样摆放在卢塞恩的石英岩上。
This minerality is continued through to the hall floor, in Lucerne quartzite laid as opus incertum.
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12. 火成岩的碎块成分主要为石英岩、片岩、片麻岩、玄武岩、安山岩和流纹岩。
The pyroclastic rock fragments comprise quartzite, schist, gneiss, basalt, andesite, rhyolite and quartz.
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13. 该类矿床产于古元古代老岭群富硼、碳千枚岩夹石英岩（硅质岩）建造之中；
This type deposit is formed in the formation of B-rich and C-rich phyllite with quartzite (siliceous rocks) as intercalated beds, which belongs to early Proterozoic Laoling group;
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14. 矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。
The thin-beded siliceous -rocks include chert and depositional quartz with textures of oolite and pebble.
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15. 团麻断裂以西的河南大别山区榴辉岩及其围岩蓝晶石石英岩中首次发现柯石英。
Coesite has been first discovered in the eclogites and their country rocks -kyanite quartzite in the western area of Tuanma Fault from the Dabie Mountains, Henan province.
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16. 正是由于这个原因，许多石英岩类玉石都是用模子压出来的，没有手工雕刻的痕迹。
It is for this reason, many types of quartzite jade are out of the mold pressure, there is no trace of the hand-carved.
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17. 临桂县矿产资源的开发利用主要是以灰岩为主，重晶石、粘土、页岩、石英岩等为辅。
The development and utilization of mineral resources in Lingui county give priority to limestone, while barite, clay, shale, quartzite as subsidiary.
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18. 百万年前，变质的石板片麻岩和石英岩，在乞力马札罗山附近广阔的平原形成壮观岛屿似的。
Millions of years ago , metamorphic schists , gneisses and quartzites formed impressive , flat - topped inselbergs on a vast plain in the shadow of kilimanjaro.
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19. 岩性主要为砾岩、泥岩、碳质泥岩、硬脆性泥岩、玄武岩、泥化玄武岩、石英岩及花岗岩等。
The lithology consists of conglomerate, shale, carbonolite, hard brittle shale, basalt, pelitized basalt, quartzite and granite, etc.
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20. 南缘，矿体下盘石英岩与对应的标记（mo3-mo4接触）而北部边缘是根据法截止区内模型。
The southern margin of the orebody corresponds with the Footwall Quartzite Marker (MO3-MO4 contact) while the northern margin is based on an assay cut-off within zone MO2.
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21. 高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
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22. 其岩石类型主要有云母石英片岩、石英岩、大理岩、炭质千枚岩等，因富含炭质而呈灰色，灰黑色。
The rocks of this Formation, which are black or light black for rich of c, consist mainly of mica quartz schist, quartzite, marble, carbonaceous phyllite.
The Mengjiatun Formation complex is a suite of supracrustal rocks formed in the early Neoarchean, and its typical rocks include garnet quartzite, biotite-quartz schist and amphibolite.
Photo and caption by Paul M.ProvencherBear Rocks Preserve is a heathland at 4000 feet, 477 acres that features sandstone and quartz rocks arranged and eroded in various ways.
The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.
The quartz-mica schist, quartzite and marble were metamorphosed sedimentary rocks, and, together with paragneiss and mafic rock, constituted the old supracrustal series.
