256 VLORIDA GEOLOGICAL SURVEY-I5TH ANNUAL REPORT

 FUSION POINTS OF SEGER CONES-CONTINUED


 Cone TemperaNo. Chemical Composition ture Appearance of
 No. oF 0c Heat
 10.3 K20 0.2 Fe203
 1 0.7 CaO 0.3 A]2ak4 SiO2 2102 1150 Deep Orange Heat.

 2 0.3 K20 0.1 Fe2031 .,
 2 0.7 CaO 0.4 A1203 SiO- 2138 1170
 0.3 K20 0.05 Fe2O3 4 
 3 0.7 CaO 0.45 A1203 S 2 174 1190
 4 0 0.5 A1203 4 SiO 2210 1210
 ___ 0.7 CaO 2210_____1210__0.3 K20 10.5 A1203 5 SiO 2246 1230
 ____ 0.7 (JaU 224 1230_________6 0.3 K20 0.6 A1203 6 SiO2 2282 1250
 0.3 KaO
 7 0.7 Al20 7 SiO2 2318 1270
 0.7 K20
 8 07 KaO 0.8 A120s 8 SiO2 2354 1290

 9 03K20 0.9 A1203 9 SiO2 2390 1310 White Heat.
 __ 0.7 CaO 5_________10 1.0 A1201 10 SiO2 2426 1330

 110.3 K2 1.2 Al203 12 SiO2 2462 1350
 ___ 0.7 CaO __________ ___ _12 03 K2 1.4 A1203 14 SiO2 2498 1370
 ___0.7 CaO __ _13 0.1 K20 }1.6 A1203 16 SiO2 2534 1390
 14 0.3 K20 1.8 A203 18 SiO2 2570 1410 Bright White Heat.
 __ 0.7 CaO I _ _ __ _ 
 15 0.3 K20 2.1 A1203 21 SiO2 2606 1430
 ___0.7 CaO 5_16 0.7 Ka 2 A 1202 24 SiO2 2642 1450

 17 03 K20 2.7 Al2O3 27 SiO2 2678 1470
 __ 0.7 CaO __________ ___ _18 0.3 K20 3.1 A 1203 31 SiO2 2714 1490
 ___ 0.7 GaO __________ __ _19 0 3aO 3.5 A12O3 35 SiO2 2750 1510 Dazzling White Heat.

 20 0.3 K20 3.9 Al2Oa 39 SiO2 2786 1530
 ___0.7 CaO5

 21 03K2 4.4 A12O3 44 SiO2 2822 1550
 ___0.7GCaO __________ ____22 03 K2 4.9 Al203 49 SiO2 2858 1570
 ___0.7 Cao f __________23 0 K2O 5.4 Al203 54 SiO2 2894 1590 24 0.7 CaO 6f_ ___ 2 293_ _6_24 0*3 K20 6.0 A1203 60 Si02 2930 1610
 __ 0.7 CaO 7_ _ _ _ ___ _ _ _ _