Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.
、层硅铈钛矿、钙霞等伴生.
Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.
、层硅铈钛矿、钙霞等伴生.
1.Wadeite is paragenic with aegirine, nepheline, arfredsonite, microcline and apatite, and associated with natrolite, rinkite and cancrinite.
钾钙板霓、霞、铁闪、微斜长、磷生;
1.a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite.
稀土属金属元素,用于激光中,见于磷、独居、磷钇矿和硅铍钇矿中。
By measuring apatite fission tracks, the paleogeotemperature gradients in the Mesozoic and Tertiary in the Jiyuan Depression, North China Basin were estimated.
济源凹陷是勘探的前沿地区,许多油气基础地质问题(如古地温)需要解决。
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