> as lemmas

1880 P. Collier in Jrnl. Amer. Chem. Soc. 2 74 In view of the homogeneous structure of this mineral, its similarity to thorite, and its marked excess of one important constituent (uranium), the name ‘Urano-thorite’, is suggested as appropriate.

1903 J. Ohly Anal., Detection & Commerc. Value Rare Metals xx. 131 Uranothorite..occurs in the Champlain iron region of northern New York.

1963 Analyt. Chem. 35 1023/1 The polonium-210 contents found for the Sierra Ancha 1–6 zircon..and the Marble Mountain uranothorite depart widely from the anticipated equilibrium values.

2006 G. R. Drennan & L. J. Robb in W. U. Reimold & R. L. Gibson Processes Early Earth xviii. 366/2 The nodules..exhibit progressive increments of replacement of either uraninite or uranothorite.