To face page 170. 



fiOTTSCIIE, l.S8('). 



1. Thick banded s;iodstone, eoiigloineiiitic near 

 the base. Thickness 40 m. 



"2. Mull of valions shades of colour between 

 violet and chocolate-brown, with frequent in- 

 tercalations of compact limestones. Thickness 

 70 m. 



3. Conglomerate, arkosc near the base with 

 numerous, very compact layers of the same. 

 Thickness 450 m. 



4. Eitumiuous clay, partially discoloured, with 

 small coaly flecks and obscure vegetable 

 impressions. Thickness 15 m. 



5. Dark marly shale alternating with a fine- 

 grained, fragile sandstone. Thickness 25 in. 



KoTu, 1902.1 Yabk, 1905. 



Porphyrite sheet and green breccia 

 bed. 



Red coloured tuffs partly brecciated, 

 together with greenish slaty rocks. 



Hard sandstone, often conglomeratic, 

 and underlaid by shale, red tufl^ and 

 amygdaloidal sheet. 

 Thick shale, gi'sen or black in 

 colour, and often sandy, containing 

 few plant remains. 



Inouyé 1907. 



Thick couglomerate gradually pissing 

 below into a sandstone with intercala- 

 tions of shales which are sometimes 

 coaly. — The. Nolc-tmcj Series. 



Clayslate formation. 

 Upper schalsteiu for- 

 mation. 



upper sandstone and 

 clayslate formation. 



Lower schalstain for- 

 mation. 



Koxû, 190/ 



Lower sandstone and 

 clayslate formation. 



No. 1. Greenish eruptive formation consisting 

 of gi'een breccia and green porphj-rite, 

 accompanied bj- felsopliyre. 



No. 2. A series of UackisJi shale and green- 

 banded, indurated, pelitic tuftite of a 

 flinty appearance. 



No. 3. Alteruatioa of reddish and greenish 

 marls, the latter being sandy. It is the 

 Bed Formation, and of tufaceous origin. ' 



No. 4. Manifold alternations of wet-gray marl '^ 

 and gray sandstone ; the former some- 

 times contains marly nodules with 

 imperfect organic remains. In its upper 

 portion the complex becomes con- 

 glomeratic. 



No. 5. Thick complex of reddish and grayish 

 muscovite-snndstones alternating with 

 gray muscovite-bearing mar'.s with a few 

 traces of unknown plant-remains (p. 36). 

 Th3 whole rests directly -upon tlie para- 

 gneiss.— î'/fc Nak-tomj Series (Y.^bé). 



