Appendix IT. — Local Notes on the Batoka Basalts. 



Locality. 



Predominant Characters. 



Dip, when seen. 



Joints, etc. 



Northern Side of the Zambezi, and Batoka Gorge. 



Victoria Falls 



Three slightly amygdaloidal 

 massive beds, with two amyg- 



(Slight) S.E. or 

 S.S.E. 



E. 10° S., cut at low 

 angle by Chasm- 







daloidal breccias at ry.-bridge. 





fracture (see p. 188). 



Gorge at Songwi 



Massive amygdaloid, with seve- 

 ral bands of breccia, some thick. 



S. 20° E. at 3° to 5°. 



E.; to E. 20° N. 









Moravu, 6 miles east of 



Dense, slightly amygdaloidal ; 



E. to S.E. 



E. 25° N. 



Songwi. 



platy structure. 







Mavangu, between Camp 



Dense platy basalt, with thin 



Variable ; N.E., 1 



Obscure & irregular: 



and Gorge. 



tuff-like breccia (see p. 184). 



W., & W. 20° S. 



S. & S. 10° E. 



Gorge south-east of Ma- 



Several thick massive bands, 



Apparently W. 



Strong. 



vangu Camp. 



with soft greenish-grey inter- 

 calations. 

 Amygdaloidal basalt, with 



at 2°. 





Mamba Creek, near Camp. 



Rolling, but 



Irregular, chiefly 





' pillow '-structure, and in 



mainly S.E. 



E. 10° S. 





places platy ; with red spongy 









breccia below. 







Gorge at the Tshimamba 



Dense platy basalt ; with inter- 



S. at 5° to 15°. 



Mainly E. 



Cataracts. 



vening breccia in lenticular 







- 



masses. 







Kalonga's Cleft, 



Amygdaloidal basalt, hard and 



W. at 3° to 5°. 



E. & a few S. ; also 



Karamba River. 



splintery ; with a band of red 





many ' shatter- 





breccia about 60 feet thick. 





planes ' with 



Lower (south-eastern) 



Basalt and breccias. 



Apparently S. 



veining. 

 Strong S.E. 



reach of the Karamba 









River. 









Kalomo River,near Camp. 



Dense. 



Indefinite. 



Irregular ; some 

 S. 20° E. 



Gorge near the Namaruba 



Massive basalt, with amyg- 



S. at 8°. 



E. 10° N., & others 



confluence. 



daloidal bands and breccia. 





S. 10° E. 



Gwemanzi River, near 



Dense, platy. 



N.E. 



Master-joints E. ; 



Camp. 







others S.E. 



Bwani River 



Purple amygdaloidal basalt, and 



Rolling, mainly 



Some E. ; others 





greenish basalt with shaly 



S.E., up to 15°. 



S. 30° E. 





structure. 









Southern Side of the Zambezi. 





Zambezi shore at Makwa. 



Platy amygdaloidal basalt and 



Apparently flat. 



Irregular; E. 35° N. 





spongy breccias. 





& S. 30° W. 



Matetsi River, near the 



Dense basalt and slaggy amyg- 



? 



E.,with calcite-veins. 



Zambezi confluence. 



daloid, confusedly mingled. 







Lukunguli River, first 



crossing. 

 Lukunguli River, above 



Dense greyish basalt. 



? 



Dominant, E. 20° S. 



Purple porphyritic rock, with 



S.W. at 10°. 



E. 20° N. 



Dambi's Kraal. 



regular platy structure re- 

 sembling bedding. 







Matetsi River, 1 mile 



Dense greyish basalt with sphe- 



Not seen (but 2 



Dominant, E., but 



above the railway- 



rules (glomeroporphyritic) ; 



miles higher up- 



rather confused. 



bridge. 



and purple basalt with chal- 



stream, rolling & 







cedonic & zeolitic amygdules. 



mainly E.) 





Matetsi River, near head, 



Dense, slightly amygdaloidal. 



Ground flat: dip 



Obscure ; some 



8 miles from Pandama- 





not seen. 



S. 30° W. 



tenka. 









2 miles W. of Matheison's. 



Dense, platy. 



S.S.E. 





Stream south of Deka ... 



Amygdaloidal basalt, with 

 spheruloid structure. 



Not observable. 





Deka River, 2 miles below 



Platy, with spheruloid struc- 



S.W. or W., but 





Deka. 



ture, and amygdaloidal. 



rolling. 





Deka valley, 10 miles 



Do. Do. 





E., with calcite- and 



below Deka. 







haematite- veins. 



Same 



General Features Continue to 'Mtoro's. 





Deka valley, between 



1 Dense, amygdaloidal. 





E., with veins. 



'Mtoro's and 'Ngoni's. 



I 



1 







