Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Yun Deuk Jang"'
Publikováno v:
American Mineralogist. 107:1149-1163
The origin of celadonite still remains enigmatic and fragmentary. Exceptional celadonite mineralization was discovered in the Miocene lacustrine Janggi Basin in the southeastern Korean Peninsula. This Janggi celadonite is a greenish, earthy/vitreous
Publikováno v:
Journal of the Geological Society of Korea. 57:679-690
Publikováno v:
Contributions to Mineralogy and Petrology. 177
Publikováno v:
Lithos. :109-124
The Satkatbong diorite (190 Ma) and the older Yeongdeok granite (250 Ma) in the Yeongnam massif, which is part of the southeastern margin of the Eurasian plate, are affected by a subduction system that is associated with the Izanagi and Farallon plat
Publikováno v:
Geosciences Journal. 21:1-19
Microstructures developed in the fault gouge zone, Yangbuk, Gyeongju city, Korea, were characterized with emphasis on distribution of remaining grains. Based on XRD analysis, the fault gouges consist of quartz, feldspar and clay minerals composed of
Publikováno v:
Journal of the mineralogical society of korea. 29:123-129
Publikováno v:
Lithos. :105342
Ulleung Island is an alkaline volcano that consists of Pleistocene basalts (Stage I), effusive trachytes (Stages II–III), and Holocene explosive phonolitic volcanics (Stage IV). Syenites are found as volcanic ejecta in Stage III and IV, hence, acti
Publikováno v:
Journal of Asian Earth Sciences. 188:104089
We present new whole-rock geochemical data for volcanic rocks dredged from active submarine volcanoes TA15, TA16, and TA19 that mark the southern part of the Tonga Arc near Ata island. The lava samples show a wide range of compositions from basalt to
Publikováno v:
Journal of the mineralogical society of korea. 28:51-60
We applied gemological analytical approaches on Aquamarine from the Gilgit-Baltistan of Northern Areas, Pakistan. The standard gemological testing indicates that they are consistent with general characteristics of natural aquamarines. We have identif
Autor:
Hyeon Dong Woo, Yun-Deuk Jang
Publikováno v:
The Journal of the Petrological Society of Korea. 23:31-43