磷钇矿

  • 网络Xenotime;xenotim
磷钇矿磷钇矿
  1. 鉴别磷钇矿,钍石和锆石的简易方法

    Easy ways to distinguish the xenotime , the thorite and the zircon

  2. 磷钇矿和独居石的U-Pb定年结果表明,成矿年代为112~97Ma,成矿作用可能持续了16Ma以上。

    According to U-Pb dating on xenotime and monazite , the mineralization took place during 112 to 97 Ma and last for at least 16 million years .

  3. 如,澳大利亚西北部Kimberley盆地中未变质的古元古代砂岩中自生磷钇矿的SHRIMP定年将成岩作用限定在7Ma的误差范围之内。

    The SHRIMP dating on the authigenic xenotimes in Paleo Proterozoic un metamorphosed sandstone in Kimberley Basin of Northwestern Australia limits the depositional age within an error of 7 Ma .

  4. 碎屑沉积岩沉积作用的高精度定年&自生磷钇矿离子探针UPb年龄测定钱家店砂岩型铀矿床UPb等时线年龄为53±3Ma和7±0Ma。

    HIGH PRECISION DATING OF DEPOSITION OF CLASTIC SEDIMENTARY ROCKS & U-Pb SHRIMP DATING ON AUTHIGENIC XENOTIME The U-Pb isochron ages of uranium ore-formation have been obtained as 53 ± 3 Ma and 7 ± 0 Ma .

  5. 稀土属金属元素,用于激光中,见于磷灰石、独居石、磷钇矿和硅铍钇矿中。

    A metallic element of the rare earth group ; used in lasers ; occurs in apatite and monazite and xenotime and ytterbite .

  6. 一种软质的银色稀土属金属元素,见于硅铍钇矿、独居石和磷钇矿中。低品位磷矿在变浓度磷酸中酸解动力学

    A soft silvery metallic element ; a rare earth of the lanthanide series ; it occurs in gadolinite and monazite and xenotime . Kinetics of Low-grade Phosphate Ores Under the Variable Concentration of Phosphoric Acid

  7. 硅藻的属于或有关以双侧对称形状著名的硅藻的一种软质的银色稀土属金属元素,见于硅铍钇矿、独居石和磷钇矿中。

    Of or relating to diatoms of the class Pennales , distinguished by bilaterally symmetrical form . a soft silvery metallic element ; a rare earth of the lanthanide series ; it occurs in gadolinite and monazite and xenotime .