TABLE OF CONTENTS



A bbreviations, acronym s and conversions. ......................................................................... ................. xi
A know ledgem ents .......................................................................................................... ............. . xii
Introduction ............................................................................... 1
 Background .............................................................................. 1
 P u rp o se an d sco p e ................................................................................................................................. 1
 Study area ..................................................................................................... ................ 2
 Previous investigations ........................................ .. ........... .............................. 2
 P h y sic al setting g ............................................................................................................... ...................... 5
 Geology .................................................................... ..................... 5
 S tru ctu re ...................................................................................................................... ..................... 7
 G eom orph ology ................. ................................................................................................ ........... 11
 Physiographic provinces and features........................................... ............................................ 11
 Sinkholes ............................................................................................. ...... ............... 15
 S p rin g s .................................................................................................................. ..................... 15
 H y d ro g eo lo g y ........................................................................................................... ..................... 17
M methods ............................................................................................... 20
 S am p le description ................................................................................................................. . ........... 2 0
 D elin nation of b oun diaries ............................................................................ ..................................... 2 1
 Formations/Members ........................................ .. ........... .............................. 21
 A qu ifer sy stem s ....................................................................................... ......... .......... ......... .. 2 1
 C ro ss-section con struction ............................................................................ .................................... 22
 T o p o g rap h y ............................................................................................................... ...................... 2 2
 L ith o lo g y ................................................................................................................. ...................... 2 4
 G am m a-ray logs ..................................... ........................................................... ................ 24
 A quifer system s .................................................................................... .................... 24
 M ap develop ent and data m anagem ent............................................. .......................... ................. 24
 M ap interpolation and spatial accuracy ........................................... .......................... ................ 27
 C ontour interval selection .......................................................... ................................................... 30
S tratig rap h y ...................................................................................................................... ...................... 3 0
 L ithostratigraphy ...................................... ............................................................ ............. . 30
 Introduction ................................................................................................................ 30
 E ocene Series ........................................................................................................... 30
 Oldsmar Formation .............................................. .. ........... .............................. 30
 A von Park Form action .................. .................... ........... ...... ................. .. 31
 O cala L im stone .................................... ................................................................ . ......... .. 34
 O ligocene Series .............................................................................................................. . .......... 37
 Suwannee Limestone .................................... .. ............ .......................... .. 37
 O ligocene-P liocene Series ............... ........................................................................... 40
 H aw thorn G group .................................... ................................................................ . ........... 40
 Arcadia Formation ......................................... .. ............ .......................... .... 40
 Nocatee Member ............................... .. ............ .............................. .. 43
 Tampa Member .................................. .. ............ .............................. .. 43
 "V enice Clay" ........................ .. ............................. ........ .......... ................ 45
 P eace R iv er F orm action .............................................................................. ...... ................ 4 5
 B on e V alley M em b er ............................................................................. ...... ................ 4 8