1919.] The Sixth Indian Science Congress. exevii 
These wisreseh ona support Weinschenk’s a that ee 
result through the intense contact and dynamic tamorphism of gab- 
broid rocks ag an end-product of the changes initiated by saussuritisation. 
On the discovery of basic and ultra-basic members of ine 
reed ome series in the Central Provinces.—By 
K. HaLLoweEs. 
e date when Sir T. H. Holland discovered and described the 
Charnockite fm ries in several places in 8 India, naming them after Job 
Charnock, the founder of Calcutta, other observers have met with them 
path within and without the “He see of the gouny Empire 
ker found the basic group of the C Charnockites represented 
in as Kalahandi State ane ies in Ganjam and Vizagapatam. 
Outside India, ee -norites, rete ks the ean group of the 
ry fr the Ivory Coast, French mi gg and Liberia, were 
5 tl ; 
md . i 
of the bas ie group of charnockites, which have been microscopically 
examined by G. W. Tyrrell, who finds them to be hornblende-augite- 
To , the above localities for the charnockite series the writer is now 
able to add the discovery made during 1917-18, of basic and ultra-basic 
members of the series in the Central Provinces, where they were not 
0 0 
before known t cur; at several points along the Wainganga River 
Valley, in the districts a Lp sy ger Bhandara, and Chanda, are expo- 
su oo “ a ese rocks, intrus nto hornblende and biotite gneisse 
y consist of (1) biotitenorites, (2) augite-norites, (3) garnetiferous- 
angaetnas, (4) hornblende-augite-n cag and (5) pyroxenites. 
These are composed of Swone sthene, mono ‘octiads pyroxene (pale gr 
Regier felspar (orthoclase, microcline, and labradorite), and paced 
ong with the accessory m inerals garn , bioti te, secondary hornblende, 
apatite, pelece iron ore and iron pyr fie 
Some recent falls of aerolites in India.— By H. WALKER. 
paper places on record the known facts concerning the falls of 
four aerolites. Descriptions of the inabaseitie are ors and they are 
assigned to their p i e systematic classificati 
Two aerolites fell in India during the y 1916. Of these the first 
fell at Sultanpur, a village in the Bollia District of the Uni ovinces, 
on the 10th July. The total weight of the material retrieved is 1.710°57 
and thi weignt is apportioned bet ve pieces. T nd 
grammes. 
In 1917 two aerolites fell in India. One fell - re —— 
ganas, on the 20th February. Fo we! vered o total 
weight of 3 grammes. e other aerolite fell on on ae ord. Sealy at 
nore in Coc ate. 1,4 mes of materi ve 
page nts. The paper is illustrated nog photograp 
A short sketch of the geology oie iibcoing and _ its 
mineral resources —By I. C Cuac 
fi be divided amahad. et into ven zones, of w 
the easternmost is the f crystalline rocks 
broade 
leptynites and sco mai of the charn 
and dolerite. This zone occupies the raver slope of the 
