scholarly journals Contributions to economic geology, 1910, Part I, Metals and nonmetals except fuels--Structural materials; Building stone; Clays; Gypsum and plasters; Line and magnesite; Glass, sand, etc.; Abrasives

10.3133/b470g ◽  
1911 ◽  
2001 ◽  
Vol 50 (8) ◽  
pp. 807-811
Author(s):  
Harutake IMOTO ◽  
Etsuo SAKAI ◽  
Akinori NAKAMURA ◽  
Masaki DAIMON

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