TABLE XII. ANALYSES OF PYROXENES AND THE ROCKS CONTAINING THEM. 



analys 



'itngite (felsophyro-wyomingose) , 

 rvik, Norway. Broggeb, W. C, 



a) Diopside (rom mixed wyomingite and madupile; 



Leucile Hills, Wyo. A. J. S., Vol. IV (1897) p. 130. 

 I) Diopside (A. Merian) from laur-jileite (grano-laurvikose) Byskoven 1 



Ervftivgesteine Kristiauiageb, Vol. Ill, pp. 33 and 31. 

 c) Diopside from pyroxene-granitile, Laveline, Vosges, Rosenbusch, El. Gest., p. 73; rock analysis of augite- 

 granilitt (granoadamellose), Laveline, Vosges, Rosenbusch (v. Werveke), Neues Jahrb. Min. und 

 Pal., etc. (1881), Vol. I, p. 235. 

 d, Augile, c:c=39' 3 o . 2 H.,= 8 7 '2o j , coarsegrained ncphelite-basalt (grano-malignose) . 



«) Augit,,z;t.=rt, 2 H»=8 4 ' 5 o- (yellow) 1 B V US K 



Katzenbuckel, Odenwald. Rosenbusch, El. Gest, pp. 354, 357. 

 /) Augile from syenitic-lamprethyrl (prowersose) Two Buttes, Colo. Bull. 700, V. S. Geol. Surv., p. r6 5 . 

 £) Augite, bottle green, in part colorless, with slight pleochroism, a and b bottle green, c yellowish green, a = b > C. 



/;) At 



c:a=37° for colorless, c:a=22° for green, from augite-sada-granite (grano-lassenose) Kekequabic Lake, 

 Minn. Am. Geol., Vol. XI (1893), p. 385. 

 irile-iiu eile from iiepliclile.syeu He I gr.iiio-laurd.ilost..) , /.wart Koppks, Trans\ a.-il, Rosenbusch, El, Gest., 



Uvalde county, Texas, /lull. HtS U. S. Geol. 



PP. 



126. 



N, Bull. Geol. Soc, 



i) Augite from shonkiuite (grano shonkinose) , Square Butte, Mont. 



('89s). PP. 4io. 414. 

 ]') Augite from tinguaile (?) (laurdalose), Two Buttes, Colo. Bull. ibS U. S. Geol. Surv., p, 165. 

 k) Acgirite-augite from leucitophyre, Burgberg, near Rieden. Rosenbusch, El. Gest., p. 278. 

 I) Augile from analcite-basalt (monchiquose) , The Basin, Colo. Bull, /OS Id. S. Geol. Surv., p. 146, and J01 



Geol., Vol. V, p. 684. 

 m) Augite, yellow, c: C=39*, from nephelinite (hauynophyre) (vulturose) , Melfi, Italy. Rosenbusch, El. Gei 



P. 357- 



TABLE Xlla. MOLECULAR RATIOS IN PYROXENES. 



u) Augile from nephelite-basalt (uvaldose), Black Mo 



Surv., p. 63. 



0) Augite from limburgile, Limburg, Kaiscrstiihl. Rosenbusch, El. Gest., p. 363. 

 /) Augile {tarn dole rite (shoshonose), Valmont, Colo. Bull. /,-o U. S. Geol. Surv., p. 264, and Hull. /6S I'. S. 



Geol. Surv., p. r 4 o. 

 7) Augite from monchiquite (ourose) , Rio do Otiro, Serra de Tingtta, Rio de Janeiro. Rosenuusch, El. Gest., pp. 



234, 23s. 

 r) Augite from basalt (auvergnose) , six miles N. E. of Grams, N. M. Bull. ibS V. S. Geol. Surv., p. r 7 o. 

 s) Augite (c:c=54°) from leucite-tephrite (monchiquose), Falkenberg, near Telsclien, Bohemia, Koseniiusch, 



El. Gest., p. 346. 

 t) Aegirite from neplicliie-syenite (grano-janeirose). Barreros, rock analysis from tunnel between Praia and Cascadn, 



Serra do Posos de Caldas, Las Paolo, Brazil. RosENnuscH, El Gest., pp. 122, ta6. 



1 A]] femic Ca, Mg, Fe calculated ; 



• Femic Ca, Mg, Fe calculated parlly as orthosilicate and partly : 



Deficient SiCK, is that required t 



part of the salic components to leucite or nephelit 



