948 
MANGANESE DEPOSITS OF INDIA : DESCRIPTIVE. [PaRT IV 
The most western exposure of the Guguldoho part of the band is 
I)escrii)tion of the where it reappears, in the ravine marking the bound- 
oie-band. ^ry between Manegaon and Guguldoho, from be- 
neath the quartzite hill dividing the two deposits. But it is not well 
seen until the high ridge, which can be called Guguldoho Hill (hill to 
west of ' 21 ' in fig. 71), is ascended. Spessartite-bearing rocks run along 
the top of this ridge for about J mile to the east, and then reach the 
workable part of the ore-deposit, which extends for some 350 yards 
along the crest of the ridge practically to its east end, where the descent 
begins. The band then runs down the east end of the ridge, forming 
a very well-marked outcrop at least 20 feet wide and mostly composed of 
spessartite, rhodonite, and quartz. After crossing the stream-bed at the 
base, where there is a little hard crystalline manganese- ore, it rises again 
up the west end of another ridge, the outcrop here consisting of externally 
blackened rhodonite-quartz-rock, in places altered to hard crystalline ore 
or to the softer sooty variety. This outcrop often stands up like a verti- 
cal ruined wall — in one place 20 feet wide — almost buried in trees, 
bamboos, and long grass. The outcrop then continues across several low 
spurs on the south slopes of a second long east to west ridge (B in fig. 71 ). 
The outcrop has now changed from rhodonite- quartz-rock to spessartite- 
rock partly altered to ore. An interesting rock found here is sage-green 
spessartite-rock with a band of pale amethystine quartz. Under the 
microscope there is seen to be in places in the spessartite-rock a very 
large quantity of apatite. 
The outcrop then gradually slopes down to the valley, crosses the 
road shown, and enters the Bhandara district at a point 75 paces south 
of where this road crosses the forest lane dividing the two districts ; from 
here it was traced 300 to 400 yards further into the Bhandara district. 
At this point the ore-band was exposed as an outcrop of pinkish buff 
spessartite-quartz-rock striking E.25°S. ; it evidently continued past 
where I abandoned it. It might be worth the while of some mineral 
prospector to track it through the Government Forests of the west end 
of the Bhandara district ; for it might again change in character to another 
deposit of merchantable ore. 
The small hillocks and hills occurring to the south of the ore- band are 
^ ^ ^ , composed of muscovite-gneisses, usually having a 
' ' fairly steep dip in a southerly direction. The ridges 
on which the ore-band is found consist of quartzites, often micaceous, 
with bands of mica-schists ; and, as at Manegaon, it is the latter with 
which the ore-band is more particularly associated. The excavations 
made in the ore-body on top of Guguldoho hill show that the north wall 
