一旦你这样做了，你就可以比较样品中砂岩里锆石的年龄和山上锆石的年龄。
Once you do that, you can compare the age of the Zircon in the sandstone in your sample to the age of the Zircon in the mountains.
其中中砂岩和细砂岩是最好的储层。
Reservoir properties of rocks in different sedimentary facies and areas are different.
砂岩以粗砂岩、中粗砂岩和中砂岩为主。
The sandstones are mainly coarse, medium-coarse and medium sandstones.
结果表明，位于河道中部弱胶结的中砂岩具有良好的储集性能。
The result shows that loam sandstone of weak cementation in the middle of river has good reservoir properties.
大姚铜矿床位于盆地北部，是滇中砂岩型铜矿最好的矿化集中区。
Dayao copper deposit locating in the north of the basin is the best mineralizing concentration area of malmstone copper in the middle of Yunnan province.
吕家坨井田西翼部分区域八煤层顶板由正常的粉砂岩变为粗中砂岩，并有煤层变薄现象。
In the part of west flank of Lujiatuo minefield, the normal siltstone roof of coal seam 8 changed into coarse to medium-grained sandstone, and also had phenomenon of coal seam pinch-out.
建议今后勘探应注重三角洲平原亚相和前缘亚相的分支河道砂、河口砂坝中的块状粗—中砂岩储层。
It suggests that the reservoirs with the branch channel sand in the delta plain and front and coarse to medium sandstones are the important exploration targets in the future.
锦州9 - 3油田主力油层东下段储层主要为三角洲沉积，岩性为含砾砂岩、中砂岩、细砂岩及粉砂岩的岩性组合。
The mainly reservoir of Jinzhou 9-3 oil field is mainly delta sediments, composed of pebbly sandstone, sandstone, fine sandstone and siltstone, lithologic composition.
煤矿生产中的瓦斯灾害，以往是指煤层掘进或回采工作面的瓦斯突出或涌出，以及煤系地层中砂岩掘进时的二氧化碳突出。
Gas hazard in coal production is gas inrush from a stope face and CO2 inrush from driven sandstone in coal-bearing formation.
恐龙湾中的化石嵌在坚硬的砂岩中。
The fossils at Dinosaur Cove are embedded in hard sandstone.
上过这门课的同学都应该知道，我们一般会通过观察砂岩中的颗粒类型，也就是砂岩中的实际颗粒，来确定它的来源。
As everyone in this class should know, we usually look at the grain type within sandstone, meaning the actual particles in the sandstone, to determine where it came from.
存在于两个相连地层之间的岩石，可能在这一层是泥板岩，而在另一层中是砂岩；但存在于泥板岩或者砂岩中的化石往往都是相同的。
While rock between two consistent strata might in one place be shale and in another sandstone, the fossils in that shale or sandstone were always the same.
西澳遥远的金伯利地区有着引人注目的地貌特色，充满了江河峡谷和砂岩地层，它们在2008年的电影澳大利亚中占据了重要地位。
The remote Kimberley region in Western Australia features dramatic landscapes filled with river gorges and sandstone formations that were featured in the 2008 film Australia.
雷龙蛋化石是潜藏于疏松砂岩石中，科学家们认为在幼仔刚刚孵化出来时就遭受到了蛇的袭击，而他们很可能是因为受到暴风雨的袭击而被快速得被掩埋在了沙土之中。
The titanosaur eggs were laid in loose sand. Scientists believe the hatchling had just emerged from its egg when the snake struck, attracted by its movements.
不是只有页岩气是一种新的储备能源：在砂岩中的“致密地层天然气”还有在煤层里的甲烷(一种能在矿井里杀死金丝鸟的气体)也十分有前景。
Nor is shale gas the only new sort of reserve: "tight gas" in sandstones and coal-bed methane (the sort of gas that used to kill canaries down mines) are also promising.
不过艾默灵警告说，如今暴露于空气中的这些多孔砂岩，可能再过几年就会粉碎。
But Emmerling warns that the porous sandstone, now exposed to the air, may crumble within a few years.
油在压差驱动下注入亲水砂岩孔隙的过程中，油的运移阻力比水大，因而，油往往沿阻力较低的有限通道运移。
When oil enters the hole of water-wet sandstone driven by pressure difference, oil migrates following a line of less resistance because of the migration force of oil is bigger than that of water.
在砂岩地层中，酸与地层基体中的可溶物质反应，以扩大孔隙空间。
In sandstone formations, the acid reacts with the soluble substances in the formation matrix to enlarge the pore Spaces.
在花岗岩中尖锐的破裂声可以保留相当的强度，而在砂岩中则易变成低沉的轰响。
A sharp crack might remain fairly sharp in granite, but degenerate into a dull thud in sand.
低抗压强度的软到中等地层，如中软页岩。中软石灰岩。中软砂岩。和软硬研磨性夹层的中等地层。
Low compressive strength of soft to medium formations. Such as soft shale, soft limestone, soft sandstone, hard and soft abrasive interbedded medium formation.
破裂作用可以提高砂岩的储渗能力，同时也有利于砂岩中溶蚀孔隙的形成。
Fracturing has resulted in an increase in sandstone porosity and permeability and enhanced the development of secondary pores.
铜矿物的化学动力学和热力学制约了砂岩铜矿中以辉铜矿为主及矿床分带的形成。
Chemical kinetics and thermodynamics of copper minerals constrain that chalcocite is main and ore zoning form in sandstone copper deposits.
随着石油的进一步聚积及油气的转化，使砂岩中的自由水逐渐被驱除，因此这种异常压力气田是不存在气水界面的。
The saturation of these compartments with liquid hydrocarbons and the subsequent oil-to-gas reaction causes the expulsion of free water, resulting in a gas accumulation without gas-water interface.
古河道由水流切割而侵入下伏的红色粉砂岩中。
Channels are incised by streams into the underlying red siltstones.
在各类砂岩中，水道砂岩是很特殊的。
The channel type is very unusual, of all the types of sandstone.
饱和砂岩中扎隙液体的粘滞系数对饱和砂岩的衰减、模量和速度色散的影响在较低频段是明显的。
The viscosity coefficient of pore fluid in saturated sandstone has an obvious effect on the attenuation, modulus, and velocity dispersion in low frequency range.
砂岩中孔隙以次生粒间溶孔为主，发育程度与岩性和次生浊沸石的选择性溶蚀有关。
The secondary porosity develop in sandstone. It is controlled by the lithology and the selective dissolution of laumonite.
对红山窑水利枢纽工程中的风化红砂岩进行膨胀特性试验研究。
The expansive properties of the weathered red sandstone in Hongshanyao Hydro Project are studied by experiments.
对红山窑水利枢纽工程中的风化红砂岩进行膨胀特性试验研究。
The expansive properties of the weathered red sandstone in Hongshanyao Hydro Project are studied by experiments.
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