﻿UMIA 
  BEDS. 
  11 
  

  

  shale 
  was 
  met 
  with 
  in 
  two 
  or 
  three 
  places 
  on 
  the 
  road 
  from 
  Dhrangadra 
  to 
  

   Waori 
  on 
  the 
  Phulka 
  stream. 
  About 
  half 
  way, 
  some 
  mottled 
  pale 
  grey 
  

   and 
  purplish 
  finely 
  arenaceous 
  shale 
  is 
  exposed 
  at 
  a 
  talaori, 
  and 
  here 
  and 
  

   there 
  along 
  the 
  nafa 
  leading 
  into 
  the 
  Phulka 
  stream 
  opposite 
  Isadara. 
  

   The 
  rock 
  contains 
  many 
  fragmentary 
  impressions 
  of 
  plants, 
  some 
  of 
  which 
  

   look 
  like 
  seed- 
  wings 
  {Araucarites 
  ?). 
  At 
  the 
  junction 
  with 
  the 
  larger 
  

   stream, 
  the 
  shale 
  is 
  more 
  compact 
  and 
  strongly 
  bedded, 
  and 
  has 
  been 
  

   quarried 
  to 
  a 
  small 
  extent. 
  The 
  prevailing 
  rock 
  in 
  the 
  neighbourhood 
  

   is 
  the 
  usual 
  harsh 
  and 
  gritty 
  whitish 
  sandstone, 
  the 
  shale 
  occurring 
  as 
  

   an 
  inlier. 
  

  

  At 
  Kuwa, 
  on 
  the 
  Godra 
  stream, 
  a 
  light-coloured 
  very 
  fine 
  shaly 
  sand- 
  

   stone 
  bearing 
  a 
  few 
  indications 
  of 
  plants 
  is 
  seen 
  on 
  the 
  north 
  side 
  of 
  the 
  

   village. 
  

  

  An 
  isolated 
  patch 
  of 
  the 
  Umia 
  rocks 
  occurs 
  in 
  the 
  broad 
  stretch 
  of 
  

   alluvium 
  to 
  the 
  north 
  of 
  their 
  main 
  area. 
  It 
  extends 
  for 
  about 
  12 
  

   Exposures 
  along 
  the 
  miles 
  along 
  the 
  borders 
  of 
  the 
  Ran 
  ; 
  but 
  is 
  very 
  

   Rau 
  * 
  much 
  obscured 
  by 
  sandhills. 
  The 
  rocks 
  are 
  best 
  

  

  seen 
  in 
  the 
  eastern 
  portion, 
  about 
  Handi 
  Bet, 
  where 
  the 
  scarped 
  hills 
  

   show 
  a 
  thickness 
  of 
  about 
  50 
  feet. 
  The 
  following 
  beds 
  were 
  observed 
  

   in 
  descending 
  order; 
  their 
  Catch 
  fades 
  is 
  at 
  once 
  recognizable 
  : 
  — 
  

  

  (a.) 
  — 
  Hard 
  black 
  ferruginous 
  grit, 
  occasionally 
  coarsely 
  gritty, 
  with 
  

   white 
  and 
  colourless 
  quartz 
  and 
  a 
  few 
  jaspery 
  pebbles. 
  It 
  

   passes 
  down 
  into 
  a 
  thick 
  bed 
  of 
  rusty-brown 
  coarse 
  grit 
  of 
  

   colourless 
  and 
  white 
  quartz 
  in 
  a 
  sandy 
  matrix. 
  Some 
  of 
  the 
  

   quartz 
  grains 
  are 
  sub-angular, 
  while 
  the 
  rest 
  are 
  fairly 
  worn. 
  

   This 
  rock 
  also 
  contains 
  small 
  lumps 
  of 
  a 
  chalky 
  earth. 
  

  

  (g 
  # 
  ) 
  — 
  Below 
  this 
  come 
  very 
  thick 
  cross-bedded 
  sandstones, 
  softer 
  

   and 
  less 
  ferruginous, 
  but 
  still 
  stained, 
  mottled 
  or 
  streaky, 
  

   yellowish 
  brown, 
  or 
  red, 
  finely 
  speckled 
  with 
  white. 
  Some 
  

   thin 
  ferruginous 
  bands 
  assume 
  a 
  scabrous 
  appearance 
  when 
  

   weathered. 
  

  

  (<?.) 
  — 
  The 
  lowest 
  rock 
  seen 
  is 
  a 
  white 
  coarse 
  and 
  gritty 
  sandstone, 
  of 
  

   roughly 
  worn 
  transparent 
  white 
  and 
  bluish 
  quartz 
  grains, 
  

  

  ( 
  83 
  ) 
  

  

  