116 HOLLAND AND TIPPER: INDIAN GEOLOGICAL TERMINOLOGY. 



State of that name in the Northern Shan States for an unfossili- 

 ferous and well-defined group of strata divided into the following : — 

 Bawdwin Volcanic series. 

 Chaungmagyi series. 

 Mica Schists of Mong Long. 

 From their position they are supposed to be possibly Cambrian in age. 



Tendau group.— Name proposed by P. N. Bose (Rec., Geol. Sun., 

 Ind., XXVI, .152, 1893) for the presumably Tertiary coal-bearing 

 beds of Tenasserim, consisting of shales and sandstones with coal 

 seams below and conglomerates above. Tendau (12° 6' ; 99° 4') is' 

 a village 19 miles north-north-east of Tenasserim. 



Thibaw series.— See Hsipaw series. 



Tipam sandstones.— Name used by F. R. Mallet {Mem., Geol. Surv., 

 Ind., XII, 296, 1876) for a thick sandstone formation overlying 

 the Tertiary coal-measures in North-East Assam. The formation 

 in position and characters corresponds to the Siwalik system oi 

 the sub-Himalaya and the Irrawaddy sandstones of Upper Burma, 

 and like the latter includes fragments of fossil wood. Named from 

 the Tipam hills (27° 16' ; 95° 30') east of Jaipur. 



Tirhowan (Tirohan) limestone.— Name given by H. B. Medlicott 

 (Mem., Geol. Surv., Ind., II, 6, 1860) to the uppermost stage of 

 his Sernri (afterwards Lower Vindhyan) series in Bundelkhand. 

 From the village of Tirhowan (25° 15' ; 80° 55') in the Banda 

 district. • 



Tirpul beds. — Name used by C. L. Gnesbach (Rec., Geol. Surv., Ind., 

 XIX, 48, 264, 1886) for some Tertiary plant-bearing beds of the 

 Herat province. He divided them into two divisions :— 



1 . Upper sandstones and plant beds of the Herat valley, 

 ' ' 2. Lower plant beds with gypsum, 



corresponding to Lower Pliocene and Upper Miocene. 



Tirumangalam stage.— Named by R. B. Foote (Mem., Geol. Surv., 

 Ind., XX, 11, 12, 1883) after the great plain of the Tirumangalam 

 taluq, Madura district and is the lowermost division of the 

 metamorphic rocks of that area. (See Allagiri stage.) 



Tirupati (Tripetty) sandstones.— Described by W. King (Rec., 

 Geol. Surv., Ind., X, 56, 1877 ; Mem., Geol. Surv., Ind., XVI, 224 

 1880) as the uppermost division of the Upper Gondwanas in the 

 Kistna Godavari area. Named from the Tripati hills, some 23 

 miles north-east of EUore (16°57' ; 81° 19') in the Kistna district, 



