|
The Mineral Composition and Element Geochimestry of CoEnriched Crust from the YJA Sea Mount in the Central Pacific Ocean
HU Da-qian, CHU Feng-you, YAO Jie
J4. 2006, 36 (01):
32-0037.
The mineral composition and the concentration of oreforming and rare earth elements of different structure layers in the Cocrust from the YJA sea mount in the central Pacific ocean, were determined using ICPAES, ICPMS, XRD, FTIR and JSM. The results show that this crust is a large of plank new crust,ore mineral is vernadite, gangue minerals are quartz, plagioclase and apatite, minor minerals are montmorillonite, kaolinite, natrolite, hydrobiotite and heulandite and so on. The contents of total Mn, Ni, Cu, Ba, Zn are gradually decreased from lower to upper the structure layers while TFe increased and Co keep almost unchanged. Si, Al, K, Na, Ca, Mg, Ti, P, Li and Rb are relatively enriched in the loose structure layers. In the crust, total REE content are 1 982.27×10-6 and Ce is distinctively positive anomalies.The varied tendency of Ce is similar to Mn while other REE (excepting Y) are more like Fe.
Related Articles |
Metrics
|