WARRIOR    COAL    BASIN,   ALABAMA.  219 
BLACK    CREEK    GROUP. 
This  is  the  lowest  group  of  workable  coals  in  the  quadrangle  and  it  has  the  greatest 
extent.  The  outcrop  of  the  Black  Creek  seam  on  the  map  (PI.  V)  shows  the  areas  under- 
lain by  workable  coal  in  the  Warrior  Basin.  The  Black  Creek  group  comprises  the  Lick 
Creek,  Jefferson,  and  Black  Creek  seams.  Only  the  Jefferson  and  Black  Creek  are  workable 
coals. 
Jefferson  seam. — The  Jefferson  seam  is  reported  29  inches  thick  about  1  mile  west  of 
Littleton.  Along  the  northwestern  outcrop,  from  Littleton  to  Cane  Creek  near  Watt,  the 
Jefferson  seam  is  not  well  known  and  appears  to  be  of  little  value.  In  the  Watt-Seloca- 
Kimberly  region  it  is  a  minable  seam  running  over  30  inches  thick  with  partings.  An 
average  of  seven  sections  in  this  region  is  given  below: 
Average  section  of  Jefferson  coal  seam  in  W att-Kimberly  region. 
Inches. 
Coal 8| 
Parting if 
Coal 13J 
Parting 2 
Coal 8 
33i 
At  Wa.rior  the  seam  is  split  into  two  or  three  benches,  separated  by  shale  of  varying 
thickness  up  to  20  feet.  Along  the  outcrop  north  of  Warrior  the  seam  appears  to  have 
retained  to  normal  conditions,  as  revealed  in  mining  operations.  Around  the  northeast 
end  of  the  basin  toward  Lehigh  and  Selfville  the  Jefferson  coal  is  thin  and  worthless.  At 
Indio,  however,  it  is  of  good  thickness,  but  is  broken  into  three  benches  by  thick  partings, 
as  shown  in  the  following  section,  which  is  the  average  of  two  measurements  at  the  Indio 
shaft: 
Average  section  of  Jefferson  coal  seam  at  Indio. 
Inches. 
Coal 11 
Parting '....      3 
Coal 15 
Parting 15 
Coal f. 5 
49 
It  is  doubtful  whether  the  Jefferson  seam  is  of  value  anywhere  along  its  southeastern 
outcrop  from  Lehigh  to  Wylam. 
In  the  Creel  area  south  of  Locust  Fork  McCalley  a  gives  measurements  of  this  seam  at 
three  points,  at  two  of  which  it  is  30  inches  thick  and  at  the  third  14  inches.  It  is  not 
known  in  the  Arkadelphia  Mountain  area. 
As  a  whole  this  seam  is  variable  in  thickness  and  is  workable  only  in  certain  regions, 
though  its  workable  areas  are  of  considerable  extent. 
Black  Creek  seam. — The  Black  Creek  coal  appears  to  be  the  most  uniform  in  thickness 
and  character  of  all  the  seams  of  the  basin,  except  the  Pratt.  From  Sayre  to  Warrior, 
including  the  mines  at  Kimberly,  Watt,  and  Seloca,  it  runs  about  2  feet  of  clear  coal.  Eight 
sections  at  points  east  of  Warrior  to  Macknally  Ford  gave  an  average  of  27  §  inches  of  clear 
coal.  At  and  south  of  Coaldale  a  parting  occurs  and  the  seam  is  slightly  thicker.  The 
following  is  an  average  of  six  sections  in  this  locality: 
Average  section  of  Black  Creek  coal  at  Coaldale. 
Inches. 
Coal "g 
Parting ^ 
Coal -----  20? 
321 
a  Op.  Cit. 
