Table 8. Rare Earth Element Concentrations of Florida Pumice Artifacts.

Sample Location La Ce Pr Nd Sm Eu Gd Tb Dy _ Ho Er Tm Yb Lu Eu/Eu*
Southern Florida
MDC 1.567.6b Miami Circle 25.60 46.10 5.13 2080 3.60 062 320 054 3.19 068 2.04 040 2.42 0.43 0.56
MDC 1.166.4 Miami Circle 18.00 31.50 3.51 13.30 2.30 030 1.73 0.31 1.78 0.34 101 O18 # 1.20 0.20 0.46
MDC 1.222.11a Miami Circle 12.30 26.00 2.88 13.10 3.50 0.72 3.32 050 3.82 060 2.06 028 2.06 0.34 0.65
MDC 1.472.4 Miami Circle 18.00 32.40 3.61 12.10 150 019 186 026 116 O35 130 022 1.38 0.21 0.35
MDC 1.893.1 Miami Circle 22.90 39.40 401 1400 3.00 0.20 2.00 025 149 O31 102 O14 1.19 0.23 0.25
HMSF896 Brickell Point 19.50 36.30 3.66 12.70 2.30 90.21 155 024 165 048 14.22 O19 1.13 0.14 0.34
FBAR75.62.10.1 Higgs Site 19.00 36.30 3.50 11.90 2.00 0.17 195 0.28 1.51 036 1.10 020 1.26 0.19 0.26
FBAR72.20.534.1 Indian Key 17.70 32.50 3.29 1210 180 016 181 O29 157 033 105 O15 1.33 0.19 0.27
FLMNHA16262a Fort Center 14.00 22.50 2.83 12.10 1.90 035 194 030 167 634 106 0.17 1.36 0.19 0.56
FLMNH98576 Bear Lake! 34.50 52.20 5.67 21.70 260 049 164 0.22 143 O25 0.78 O12 0.86 0.15 0.73
HMSF582.1 Brickell Point 21.90 39.40 4.70 21.30 4.10 062 362 066 3.57 0.77 2.05 038 2.40 0.37 0.49
HMSF1018.18 Granada 22.70 43.10 3.86 15.00 2.10 069 135 023 122 024 O61 014 0.88 0.15 1.25
HMSF2942.1 Honey Hill 32.70 97.90 5.28 20.00 2.70 055 195 033 141 O28 078 O12 0.95 0.16 0.73
HMSF427.5 Custom House 37.20 78.90 10.15 51.30 9.20 3.03 7.74 1.24 587 111 247 032 1.86 0.26 1.10
FBAR74.2,10.8 Stock Isiand 14.40 23.10 2.88 1220 190 030 154 O31 169 O35 098 O18 i111 0.20 0.54
FBARO0.14.47,1 Deering Estate 20.60 34.30 3.91 16.50 2.60 041 205 036 192 045 107 6.22 1.37 0.22 0.54
FBAR76.209.1.1 Shark Butchery 16.50 27.00 3.14 13.50 2.10 040 1.77 032 190 038 104 O18 1.12 0.19 0.63
FBAR99.65.7.1 Whitebelt 1 29.90 48.70 5.32 21.20 290 051 198 029 157 032 092 0.16 1.08 0.19 0.65
HMSF1874.1b Sutton Site 11.10 21.70 2.83 1410 300 090 301 054 3.24 O71 4192 032 2.21 0.34 0.92
Northwestern Florida

EGLINO56 Wynnhaven Beach 34.2 59.8 7.33 28.9 49 112 413 0.83 4.0 0.8 2.37 0.36 2.32 0.34 0.76
EGLIN198 Wynnhaven Beach 100.4 182.7 23.18 91.5 154 488 12.1 2.07 9.002 161 404 0.59 3.5 0.49 1.09
EGLIN742 Wynnhaven Beach 19.7 35.9 4.16 15.4 24 044 1.99 37° 61.79 «60.36 0611 «60.20———1.48 0.22 0.62

All rare earth element concentrations reported in parts per million (ppm). Eu/Eu* - Europium anomaly calculated using the formula suggest by Taylor McLennan (1985) -- Euy /
V{Smy)3(Gdy)].

87

ISIO1TOdOUBINY VOR LY ABL

(¥-€)65 “TOA 9007