200 

 100 



Vv-~^ 



V 





-PHESENT 

 SEA KVll 



SEA -100 

 KVEL 

 (fC(T) 





\ 





-200 





^ N 



/ 





-300 





\ 





-400 





.\ 



/ 







"'too 90 80 70 



60 JO 40 30 20 10 

 TIME(1C00| 







GlACIAl 

 EVENTS 



SANGAMON 1 

 INTERCLACIAL | 



WISCONSIN 

 GIACUTION 



POST-SLACIAL 



TIME UNITS 

 )f THIS STUDY 



lATE- 



PIEISTOCENE 



POST- PLEISTOCENE 







1 BEAUMONT FM 



HOLOCENE 





1 Klciilli 1 lUNNAMEd 











Figure 10. Sea level changes on the Texas coast during the 

 past 100,000 years (Late Quaternary) correlated 

 with geologic events. Data show that sea level 

 has been both 53 meters (175 feet) higher and 

 134 meters (440 feet) lower than present levels 

 (from Graf, 1966) . 



26 



