﻿JURASSIC 
  ROCKS 
  : 
  SATTAVEDU 
  AREA. 
  69 
  

  

  Further 
  south, 
  and 
  about 
  two 
  and 
  a 
  half 
  miles 
  north-east 
  of 
  Ralah, 
  

  

  are 
  sections 
  in 
  the 
  valleys 
  showing 
  coarse, 
  brown, 
  

   Kalah 
  section. 
  

  

  ferruginous 
  conglomerate 
  and 
  (locally) 
  breccia 
  rest- 
  

   ing 
  on 
  nearly 
  horizontal 
  quartzite 
  beds 
  of 
  the 
  Kaddapa 
  system. 
  In 
  one 
  

   gully 
  there 
  is 
  a 
  cliff 
  section 
  70 
  to 
  80 
  feet 
  high, 
  showing 
  an 
  immensely 
  

   coarse 
  conglomerate 
  dipping 
  north-west 
  at 
  an 
  angle 
  of 
  5°. 
  The 
  bedding 
  

   is 
  distinctly 
  shown 
  by 
  lines 
  of 
  larger 
  pebbles 
  and 
  rounded 
  blocks 
  of 
  

   quartzite. 
  

  

  In 
  " 
  the 
  central 
  part 
  of 
  the 
  hills, 
  Mr. 
  King 
  found 
  that 
  red 
  sand- 
  

   Red 
  sandstones 
  with 
  stones 
  had 
  been 
  quarried 
  ™ 
  shallow 
  pits 
  on 
  the 
  

   plant 
  remains. 
  gide 
  of 
  & 
  jjjj 
  lj{ng 
  gouth 
  of 
  the 
  rQad 
  leading 
  . 
  

  

  from 
  Carnaveram 
  to 
  Sattavedu 
  village. 
  These 
  sandstones 
  are 
  described 
  

   in 
  Mr. 
  King's 
  notes 
  as 
  of 
  deep-red, 
  purplish-red, 
  reddish-yellow 
  and 
  

   yellow 
  colors, 
  compact 
  and 
  fine 
  grained 
  in 
  texture, 
  but 
  soft 
  and 
  friable. 
  

   Interlaminated 
  with 
  the 
  compact 
  sandstone 
  are 
  thin 
  layers 
  of 
  crumbly 
  

   sand 
  containing 
  drifted 
  plant 
  remains. 
  These 
  plant 
  remains 
  proved 
  to 
  

   be 
  chiefly 
  fragments 
  of 
  reed-like 
  stalks 
  and 
  of 
  ferns, 
  amongst 
  which 
  was 
  

   part 
  of 
  a 
  Dictyopteris 
  ? 
  

  

  Close 
  to 
  the 
  village 
  of 
  Tettoo 
  (not 
  marked 
  in 
  the 
  map) 
  which 
  stands 
  

  

  at 
  the 
  narrowest 
  part 
  of 
  the 
  valley 
  opening 
  out 
  

   Tettoo 
  section. 
  r 
  . 
  . 
  

  

  a 
  little 
  south 
  of 
  the 
  Sattavedu 
  Trigonometrical 
  

  

  Station, 
  sandstones 
  occur 
  in 
  the 
  bed 
  of 
  the 
  stream, 
  and 
  are 
  quarried 
  there 
  

  

  for 
  large 
  blocks. 
  The 
  rock 
  is 
  a 
  bright 
  red, 
  compact, 
  but 
  soft 
  sandstone, 
  

  

  showing 
  little 
  or 
  no 
  lamination, 
  and 
  containing 
  a 
  few 
  smooth 
  quartzite 
  

  

  pebbles. 
  Mr. 
  King 
  found 
  the 
  red 
  sandstone 
  unfossiliferous, 
  but 
  succeeded 
  

  

  in 
  extracting 
  some 
  fragmentary 
  plant 
  remains 
  from 
  a 
  yellower 
  sandstone 
  

  

  of 
  a 
  less 
  uniform 
  texture, 
  which 
  occurs 
  in 
  thin 
  layers 
  among 
  the 
  bright 
  

  

  red 
  variety. 
  The 
  general 
  appearance 
  and 
  texture 
  of 
  the 
  sandstones 
  at 
  

  

  this 
  place 
  reminded 
  Mr. 
  King 
  of 
  similar 
  sandstones, 
  belonging, 
  however, 
  

  

  to 
  the 
  much 
  younger 
  Cuddalore 
  series 
  (tertiary?) 
  exposed 
  in 
  a 
  quarry 
  a 
  

  

  little 
  distance 
  north 
  of 
  Verdachellum 
  in 
  South 
  Arcot. 
  The 
  dip 
  of 
  the 
  

  

  ( 
  69 
  ) 
  

  

  