Sangpal-tong, Changbaeng-myon, Kilchu-gun, North Hamgyong Province, North Korea

Contact-metamorphosed zone around nephelinite dyke intruding limestone; phlogopite bodies in marble. (Johachidolite was named for the japanese colonial-era name for the locality.)

Ref: Tsuda, H. (1969) Supplement to "Minerals of Korea" (in: Geology and Mineral Resources of the Far East, vol 2 (University of Tokyo Press)).

Mineral List:

	Aegirine

	Albite

	'Apatite'

	Diopside

	Johachidolite (TL)

	Nepheline

	Phlogopite

	'Scapolite'

8 entries listed. 6 valid minerals. 1 type locality (valid mineral).

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