1.
They had only lagged behind the others for a couple of minutes, but they took a wrong turning, and presently found themselves pulled up short by the edge of an old chalk quarry.
他们落在队伍后面只有几分钟，可是转错了个弯，跑到个白垩矿旧址的边上来。
2.
Of, containing, or resembling chalk.
白垩的白垩的、含白垩的或似白垩的
3.
Research on Metallogenic Conditions of Sandstone Type Uranium Deposit of Cretaceous in Southern Songliao Basin
松辽盆地南部白垩系砂岩型铀矿成矿条件研究
4.
TREND AND LAW OF FLUORITE-FORMING FLUID MIGRATION IN CRETACEOUS WUYI BASIN,ZHEJIANG
浙江武义白垩纪盆地萤石矿液运移趋势与规律
5.
Geological features and resources evaluation of Cretaceous oil sand,Wuerhe Mine,Xinjiang
新疆乌尔禾白垩系油砂矿地质特征及资源评价
6.
ORE-BEARING VOLCANIC-SEDIMENTARY FORMATION OF NONMETALLIC MINERALS IN THE EARLY CRETACEOUS PERIOD IN EASTERN SHANDONG
鲁东地区白垩纪早期非金属矿含矿火山－沉积建造
7.
cretaceous period [ system ]
【地质】白垩纪[系]
8.
CHARACTERISTICS OF DIAGENESIS AND EVOLUTION OF THE CLAY MINERALS IN CRETACEOUS MUDROCK IN SONGLIAO BASIN
松辽盆地白垩系泥岩粘土矿物成岩演变特征及其地质意义
9.
Analysis of Sedimentary Environments and Geochemical Features for the Cretaceous Sandstone-hosted Copper Mine of Liuju in Yunnan Province
云南省六苴砂岩铜矿白垩纪沉积环境与地球化学特征分析
10.
CLAY MINERALS OF LATE CRETACEOUS SONG-LIAO BASIN AND THEIR SEDIMENTARY ENVIRONMENT
松辽盆地晚白垩世粘土矿物特微及沉积环境分析
11.
Pyrite Morphology and the Evolution of Ancient Lake in Unit 1 of Qingshankou Formation of Late Cretaceous, Songliao Basin
松辽盆地晚白垩世青山口组一段黄铁矿形态及古湖泊演化
12.
Uranium Mineralization and Sedimentary Facies of the Luohandong Formation of the Lower Cretaceous in Northwestern Ordos Basin
鄂尔多斯盆地西北部下白垩统罗汉洞组中的铀矿化与沉积相
13.
Survey and Analysis of Frozen Temperature Field of the Cretaceous Stratum in the Zhalainuoer Mining Site
扎赉诺尔矿区白垩系地层冻结温度场实测与分析
14.
Characteristic and Ore-Controlling Condition of Oil Shale of Jiufotang Formation of Lower Cretaceous in Kazuo Basin
喀左盆地下白垩统九佛堂组油页岩特征及控矿条件
15.
Ferrodomite is the main magnetis carrier in the Cretacous violet sandstone on Fenghuo mountains.
风火山白垩系紫色砂岩样品的矿物学分析结果表明,大部分样品的磁性载体是铁白云石.
16.
armored herbivorous dinosaurs of the Cretaceous.
白垩纪的有甲食草恐龙。
17.
To treat(soil, for example)with chalk.
用白垩处理（如土壤）
18.
acid degradable chalk mud
可用酸降解的白垩泥浆