A REVIEW OF IGNEOUS ROCK CLASSIFICATION 71 



Hauynophyre 



Camptonite 



Nepheline-monzonite 



Nepheline-gabbro 



Microgabbro 



Basalt 



Felspar-basalt 



Microlitic Picrite 



Essexitic Gabbro 



1 1.672.4. 



II.6'.2.4. 



11/6.(2)3.4. 



IL'6.3.4. 



Ill 5 3-4 



III.5/4.4. 



III.6.3.4. 



IV.l'.„.l'.2. 



'IV.2. 2 .2.2. 



IV 



[IV.5.4.4.] 



['IV.6.' 4 . 4 (5)-] 



MONTEREGIAN HlLLS, QUEBEC (IddingS, p. 375) 



Nordmarkose 



Laurvikose 



Laurdalose 



Akerose 



Akerose 



Essexose 



Andose 



Andose 



Hessose 



Palisadose 



Yamaskose 



Yamaskite 



Hawaii 



Trachytic Oosidian 



Felspathic Lava 



Andesitic Basalt 



Andesite 



Trachydolerite 



Lava . 



Hornblende-basalt 



" Pelee's hair " 



Lava . 



Andesite 



Kauaiite 



Basalt 



Basalt-pumice 



Basalt-obsidian 



Basalt 



Basalt 



Scoria . 



Olivine-basalt 



Lapilli 



Basalt . 



Olivine-basalt 



Nepheline-melilite-basalt 



Gabbro 



Nepheline-melilite-basalt 



I'. 5 '.i'.'4. 



r.5.2.4. 



'II.6.1.4. 

 'II. 5.2/4. 

 II.S.2.4. 

 II.6.2.4 



II. 5/3/4. 



H.5/3-4'. 



'II. 5.475. 



IV.i. 2 .2.2. [IV.5(6). 4 .4.] 



IV.2'.v'3.2'. [IV.574.4.] 



IV.' 3 .,(2)3. 3 . [IV. 5 (6). 4 .4-] 



V 

 (Iddings, pp. 654-5) 



(I)II.5'.i-4. 



(1)11.5-2.4. 



H.5-3-4. 



II.5(6).2. 4 . 



II'.5-3.4. 



H'.5-3.4(5). 



II(II1).5.2.4. 



II(III).5. 3-4(5)- 



II(III). 5 .3'.4(5). 



II(III).'6. 3 .(3)4- 



III/5.2.4'. 



IH.5-3-4. 



111.5-3-4(5)- 



IH.5-3'.4(5). 



IH.5-4.4-5- 



III'. 5.4.4-5. 



III(IV).6(7).2(3)4(5). 



(III)IV.i(2)..,u(2).2. [(III)IV.5. 4 .4(5)-] 



(III)IV.2.,.2'.2'. [(IIOIV.9.I.4'.] 



'IV.l(2).- 3 .2.2. ['IV. 5 (6). 4 .4'.] 

 'IV.l'/ a .i(2).2. ['IV.5.4.(4)5- 

 'IV.2 (sU .2(3).2(3). ['IV.9.1.4.] 



IV.I(2).I'.2. [IV. 5/4.(4)5.] 



IV.2/ 3 .2.2. [IV.7'.3-(4)5-l 



