Kitatakami Granite Rock

The cosmogenic isotopes 129 i and 36 cl have been used to investigate the origin of water such as water found in crustal fluids oil fields and geothermal fluids.

Kitatakami granite rock. Jpn 80 1974 pp. The early cretaceous granitic plutons intrude the kitakami zone northeast japan whose southern and northern regions consist of forearc basin and acc. January 2011 journal of the geological society of japan yoshiyuki kuramoto. The whole rock data of the granites are from hoshino and ishihara 2007 ishihara 1971 and ishihara and murakami 2006.

Plots of gd lu n values of granite monazites vs. The half lives of 129 i and 36 cl are 15 7 and 0 3 million years respectively. Rb sr whole rock isochron age of the nissho toge granite complex northern hidaka mountains central. Insights into interactions with the.

Aluminum saturation index asi of the granites. We conducted major trace element sr nd hf isotopic and u pb geochronologic analyses of early cretaceous kitakami granitic plutons northeast japan. Granite is an intrusive igneous rock that has many uses in building construction and architectural design. Kanisawagranitic rocks closely associated with the lower cretaceous volcanic rocks in the kitakami mountains northeast japan j.

According to muramatsu and wedepohl the largest reservoir of iodine in the earth s crust is in ocean sediments. Concrete building materials contracting construction services.