cretaceous
[kri'teiʃəs]
adj.白垩的,白垩纪的
n.白垩纪, 白垩系
词形变化：
副词: cretaceously |
n.
【古生】白垩纪(一亿三千六百万年以前)
a.
白垩的; 含白垩的
cretaceous[kri'teiʃəs]adj.1.■白垩质的；似白垩的；含白垩的2.■[C-]【地质学】白垩纪的；白垩系的n.1.■[C-]【地质学】白垩纪；白垩系
cretaceouscretaceous[kriˈteiʃəs]adj.1.■白垩(质)的, 石灰质的cretaceous period [system]【地质】白垩纪[系]
词性变化cretaceous[kriˈteiʃəs]n.1.■[Cretaceous ]【地质】白垩纪[系]
cretaceous
名词 cretaceous:
from 135 million to 63 million years ago; end of the age of reptiles; appearance of modern insects and flowering plants
形容词 cretaceous:
abounding in chalk
of or relating to or denoting the third period of the Mesozoic era
cretaceous
■It lived during the Late Cretaceous (Santonian stage, around 85 million years ago), in what is now Belgium.
牠生活于上白垩纪的桑托阶，距今约85百万年前的比利时。
■In June of 1980 Luis W.Alvarez and his cot- leagues introduced a theory for the cause of the extinction that occurred between the Cretaceous and Tertiary periods.
1980年6月，路易斯·W·阿尔瓦雷茨和他的同事们，提出了一个关于白垩纪与三叠纪交界时那次大灭绝原因的理论。
■N Depression is a Meso Cenozoic faulted depression. SL and AJ oil bearing structures were discovered in Lower Cretaceous AJ Formation in the central uplift belt of the depression.
N凹陷为中 -新生代断陷 ,在中央隆起带下白垩统AJ组已发现SL和AJ两个含油构造。
■ZHOU Zhong-he.Discovery of a new enantiorithine bird from the Early Cretaceous of Liaoning,China[J].Vertebrata PalAsiatica,1995,33(2):99-113.
[19]周忠和.辽宁早白垩世一新的反鸟化石[J].古脊椎动物学报,1995,33(2):99-113.
■Hua Ruhong.Early Cretaceous angiospermous pollen from Erlian Basin,Inner Mongolia[M].Beijing: Geological Publishing House, 1991.
[19]花如洪.内蒙古二连盆地早白垩世被子植物花粉[M].北京:地质出版社,1991.
■HUA Ru-hong.Early Cretaceous angiospermous pollen from Eren Basin, Inner Mongolia [M].Beijing: Geological Publishing House, 1991: 1-66.
[19]花如洪.内蒙古二连盆地早白垩世被子植物花粉[M].北京:地质出版社:1991:1-66.
■SHA Jin-geng.Major achievements in studying the Early Cretaceous biostratigraphy of eastern Heilongjiang[J].Earth Science Frontiers,2002,9 (3):95-101.
[3]沙金庚.黑龙江东部早白垩世生物地层学研究的主要进展[J].地学前缘,2002,9(3):95-101.
■The Cretaceous Qingshuihe Formation overlaps the variegated mudstone, while the Jurassic Xishanyao Formation is truncated by the variegated mudstone.
“杂色泥岩”上覆的白垩系清水河组为超覆，下伏的侏罗系西山窑组被削截。
■The one regards that it belongs to Cretaceous period, and the other think that it belongs to Eogene period.
一种认为风火山群的时代应属白垩纪；另一种认为风火山群的时代应属古近纪。
■A herbivorous dinosaur of the genus Triceratops, of the Cretaceous Period, having a bony plate covering the neck, a large horn above either eye, and a smaller horn on the nose.
三角龙一种白垩纪的属的食草性恐龙，有一骨质兜生在颈上，头骨上有两支大角生在眼上，中部一只较小的角生在鼻上
■The Upper Jurassic, Cretaceous and Quaternary sediments are mostly siliciclastic and have the character of platform cover.
上侏罗纪，白垩纪与四元沉积物几乎都是硅质碎屑物，并且具有地台盖层特性。
■The upper structure layer is composed of the Cretaceous to the Quaternary, which shows a large slope dipping northwestward.
上构造层由白垩系-第四系构成，构造形态为-北西倾斜坡。
■The facies types of the Lower Cretaceous are mainly delta,lake and turbidity.
下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相,湖相和浊流相。
■During the Cretaceous, however, many of these blocks of land were near their current latitudinal position or higher.
不过在白垩纪期间，很多陆块已经位于现今所在的纬度附近了，有些甚至还在纬度更高之处；
■It is important to note, however, that the impact tracers that typify the end of the Cretaceous will not be as robust in rocks linked to older mass extinctions.
不过我们必须了解，虽然白垩纪末期的撞击事件在岩层中留下了明确的痕迹，更古老的撞击事件就不见得了。
■Observations and ocean models suggest that the climate system and oceanic dynamics during the greenhouse Cretaceous were quite different from their present icehouse patterns.
与现今地球“冰室”状态相比，温室状态下的气候和海洋遵循着不同的运行模式。
■Scientists subsequently found enhanced iridium levels at more than 100 end Cretaceous sites worldwide and shocked quartz at more than 30 sites.
世界各地的白垩纪末期遗址中，科学家发现了超过100处有铱含量高得异常的层位，采集到变形石英标本的遗址也超过30处。
■Liguo early Cretaceous high-Mg adakitic intrusive rocks in the Xuzhou region: petrogenesis and implications for geodynamics and mineralization.
东天山黄山-镜儿泉地区二叠纪地质-成矿-热事件：幔源岩浆内侵及其地壳效应
■There exist three superposed manners of Jurassic and Cretaceous basins in space.
两大世代的盆地在空间上存在翘倾叠合、叠合保存、部分叠合改造等三种方式。
■Volatiles from Two Gymnosperm Fossils: Miocene Leaves of Metasequoia glyptostroboides and Early Cretaceous Seed Cone of Pityostrobus spp.
中新世水杉叶片和白垩纪松型球果化石中的挥发性成分。
■The subsidence of Sunjiawan episode in Middle Cretaceous are further transferred eastward, and the half graban defined by the fault F 1 was formed.
中白垩世孙家湾组的沉陷进一步向东侧移，形成了以F1断层为盆缘断层的半地堑；
■ABSTRACT Non-marine dinoflagellate fossil of middle cretaceous is very rare in the world.
中白垩世非海相沟鞭藻化石在世界上极为罕见。
■Sedimentary facies and paleontology are synthetically analyzed in order to clarify the evolution and paleo climate of Shichuan basin during Jurassic and Cretaceous.
为弄清四川盆地在侏罗至白垩纪的演化及古气候特征 ,对该时期的沉积相及生物特征进行了综合分析 .
■The Lishui Jiaojiang Sag was a faulted basin developing on the continental margin from the late cretaceous epoch.
丽水、椒江凹陷是晚白垩世以来发展起来的大陆边缘裂陷盆地。
■From the view of stratigraphy, they all belong to the Cretaceous period .
从地层学上看，它们都属于白垩纪。
■During his journey the incredible diversity of life in the Early Cretaceous Period is revealed.
从它的旅程当中还可看到种种早期白垩纪的生物。
■From the Cretaceous, Tarim basin began the new evolutional stage of foreland basin.
从白垩纪初期开始,塔里木盆地进入晚期前陆盆地演化阶段.
■From the Cretaceous to the Early Cenozoic, it was uplifted again, until the Quaternary to build huge mountains with two large sedimentary basins on both sides.
从白垩纪到早新生代，它再度隆升，直至第四纪时形成雄伟的高大山系，两侧形成相应的大型沈积盆地。
■Their reward: new types of sauropod (top) and pterosaur both of which lived almost a hundred million years ago, in the Cretaceous period.
他们辛苦付出的回报是新的蜥脚龙（上图）和翼龙化石，这两种动物均生活在一亿年前的白垩纪。
■Era A unit of the geological time scale that is made up of several periods, e.g. the Mesozoic Era comprises the Triassic, Jurassic, and Cretaceous periods.
代：量度地质时期的分类单位，代由若干时期组成，如中生代包括三叠纪、侏罗纪和白垩纪。
■Cryptozoologists are especially proud of the catch in 1938 of a coelacanth, an archaic-looking species of fish that had been thought to have gone extinct in the Cretaceous.
令未知生物学家尤其骄傲的是1938年捕捉到的腔棘鱼，??且恢盅?补爬系挠憷啵??热衔?诎综鸭捅阋衙鹁?
■It is well known that modern Aves lack dentition, unlike their toothed ancestors of the Jurassic and cretaceous periods.
众所周知现代鸟类不长牙齿，而其侏罗纪和白垩纪的祖先则长有牙齿。
■However, the reservoir porosity and permeability of lower Cretaceous in Erlian Basin is better than that of Yingen-Ejinaqi Basin.
但二连盆地下白垩统储层的孔隙度和渗透率比银根－额济纳旗盆地要好得多。
■Jurassic System entered oil-generating stage in Late Cretaceous Period, and entered oil-generating peak in Tertiary Period.
侏罗系地层在晚白垩世开始进入生油期，第三纪时进入生油高峰，这时侏罗系地层经受的最高古地温为137℃。
■Very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs,largest known land animal.
侏罗纪和白垩纪非常大的食草恐龙，头小，颈和尾长，五趾足，目前已知的最大的陆地动物。
■In the Jurassic and Cretaceous, generally it was also the shelf sea (shallow sea), but there were lacustrine and lagoonal environments in different parts of the basin.
侏罗纪－白垩纪在总的浅海陆棚环境下，盆地不同地区也形成了湖泊和潟湖环境。
■Jurassic and Cretaceous, the marginal ocean basin was in the stage of ocean crust evolution and had a setting similar to mid-ocean ridge.
侏罗－白垩纪为洋盆洋壳演化期，处于类似洋中脊的构造环境。
■The boundaries between the Upper Cretaceous and Paleogene, Paleocene and Eocene, and Eocene and Oligocene in China nearly accord with corresponding ones elsewhere in the world.
其中,白垩系-古近系界线、古新统-始新统界线和始新统-渐新统界线与国际上相应界线接近或一致。
■The Cretaceous of the area includes Chuanba Formation (K 1c), Duoba Formation (K 1d), Langshan Formation (K 1l) and Jiangba Formation (K 2j).
其中段班戈地区白垩系地层发育 ,包括下白垩统底部川巴组 (K1c)、多巴组 (K1d)、郎山组 (K1l)和上白垩统江巴组 (K2 j)。
■Multi-set of fan-delta, distributary channel and delta-front sand bodies of Jurassic and Cretaceous are favorible reservoirs.
其中，侏罗系储集砂体的孔渗条件较差，白垩系砂体的孔渗条件较好。
■The fourth occurred at the end of the Early Cretaceous, showing titling with weak faulting and folding.
其四发生在早白垩世末期，表现为掀斜运动，褶皱和断裂作用相对较弱。
■The pollen grains resemble to a remarkable degree Clavatipollenites of the Lower Cretaceous period, one of the oldest angiosperm fossils.
其花粉类似于最古老的被子植物化石之一: 晚白垩世的棒纹粉。
■Life in the late theropod Triassic cretaceous.
兽脚类生活在晚三叠纪至白垩纪。
■The source rocks in reactivated foreland basins were formed in the Triassic-Jurassic, the Cretaceous, and the Paleogene, before the thrust-related foreland basins were formed.
再生前陆盆地（冲断带）烃源岩主要形成于再生前陆盆地沉积之前的三叠-侏罗系和白垩系、古近系。
■The development of alluvial depositional system indicates that the reservoirs of the Cretaceous may he extensively distributed in the Tarim Basin.
冲积沈积体系的普遍发育预示了白垩系储集岩在盆地内的分布可能是十分广泛的。
■On the Controlling Factors of Irreducible Water Saturation in the Low Resistivity Pay Zone of Cretaceous Formation in Lu 9 Area, Junggar Basin.
准噶尔盆地Lu9井区白垩系低电阻率油层束缚水饱和度控制因素研究
■It is considered that the gas came from the underlying Palaeozoic source rocks, and condensate came from sapropelic kerogen in Upper Cretaceous source rocks.
分析认为 ,天然气主要来自下部的上古生界烃源岩 ,油主要来自上白垩统泰州组中的少量偏腐泥型干酪根。
■Geochronology of Cretaceous A-type granitoids or alkaline intrusive rocks in the hinterland, South China: constraints for late-Mesozoic tectonic evolution.
华南腹地白垩纪A型花岗岩类或碱性侵入岩年代学及其对华南晚中生代构造演化的制约
■The southem type flora resembles Early Cretaceous floras of Europe and the Outer Zone of Japen, and is mainly distributed in southeastem China.
南方型植物群相似欧洲和日本外带早白垩世植物群, 主要分布于中国东南部。
■This paper describes cretaceous petroleum system in Ecuador Oriente Basin. The oil resources are rich in this basin.
厄瓜多尔东部盆地发育白垩系含油气系统，石油资源丰富。