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Ze ョフ虻ァ ユ}ツィソ ユZナ テ{ツe ヨシフ仰W チ ユδキチ fa ½Y ヒY [ 」

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,¸^e µZu { ÕZ¼³Z» Y Ô¯Â˃Ôa ¸^e Z] ¾ÌÀr¼Å .|‹ |ÅYÂy
.|]ZËÖ» ŠÅZ¯ Z¼³Z» \̯€e { Al2O3 Á CaO €ZÀŸ ½Y‚Ì»
ÕY€] SiO2 Y|¬» ŠËY‚§Y Z] CaO |̈¯Y ÕY€] Ã|‹ Ã|ÅZŒ» Ę]Y
֌ÅZ¯ ZŲÀ‡ €´Ë{ ÕY€] Á ֌ËY‚§Y Ę]Y ,ÖËÁ€]Z³ ÕZŲÀ‡
€ÀŸ ÕY€] Ã|‹ Ã|ÅZŒ» Ę]Y įÖe { .(g-3 ¶°‹) d‡Y
Ã{Â] ֌ËY‚§Y c Ä] Y|f]Y SiO2 Y|¬» ŠËY‚§Y Z] ,Al2O3
Á ÖfËÂË{ÂÀ̇ –‡YÁ|u ÕZÅĿ¼¿ Ze ÖËÁ€]Z³ ÕZÅĿ¼¿ Y)
€»Y ¾ËY ¶Ì·{ .(b-3 ¶°‹) |]ZËÖ» ŠÅZ¯ †b‡ Á (ÖfËÂË{Á‚¿Â»
¹ÂÌÀ̻·M |«Z§ Á ºË‚ÌÀ» Á ¾ÅM ÕÁZu ÕZÅÖ¿Z¯ ¸^e Ä] ½YÂeÖ» Y
½Y‚Ì» ŠËY‚§Y hŸZ] €»Y ¾ËY .{Y{ d^ˆ¿ ¸^e |ÀËM€§ Á€‹ {
.{‹ֻ Ã|¿Z¼Ì«Z] ÕZ¼³Z» \̯€e { ºÌˆ¸¯ Á ¹ÂÌÀ̻·M €ÀŸ
ÕZÅd¼ˆ« .d‡Y Ö^̯€e Õ|À]Ĭ˜À» ÕYY{ Á Ã{Â] Y{¶°‹Ä¼Ì¿
Õ{Y» { Á և ÕZÅÖ¿Z¯ Ä] Ö¿Z‡€³{ |ÀËM€§ €iY { ½M Ղ¯€»
Y|¬» Ä] Zb‡|¸§Ö·Z°·M .(f-2 ¶°‹) d‡Y Ã|‹ ½Z‡€³{ d̈ˀ‡
Y{¶°‹Ä¼Ì¿ ¹€§ Ä] \¸£Y Á Ã{Â] Ã|À¯Y€a ²À‡ t˜‡ { º¯ Z̈]
Y|¬» Ä] Zb‡|¸§Ö·Z°·M ½Âr¼Å ‚Ì¿ ‚eY¯ .d‡Y Ã|‹ €ÅZ›
¾ËY .d‡Y Ã|‹ ¶Ì°Œe ®ËZ] ÕZŲÀ‡ \̯€e { º¯ Z̈]
.d‡Y ¶°‹Ö] Á Ã{Â] Õ¸]¾Ì] ÕZÅZ”§ Ã|ÀÀ¯€a cÄ] Ö¿Z¯
Ã|‹ €ÅZ› Ã|̌¯ Á Ö¿Â‡ ÕZŸ] cÄ] Z0 e|¼Ÿ µÂ^̨»M
ÕZÅÖ¿Z¯ ÕY€] dˀ¸¯ Ä] Ö³|‹Ä˂ne .d‡Y |À¸^¿ÂÅ Â¿ Y Á
Y) dˀ¸¯ ÕZÅÖ¿Z¯ .d‡Y žËZ‹ ÕYÃ|Ë|a µÂ^̨»M Á dÌeÂÌ]
Ö¿Z‡€³{ ¶Zu) և ÕZÅÖ¿Z¯ Á d̈ˀ‡ ,(µÂ^̨»M Ö¿Z‡€³{
ÕZŲÀ‡ \̯€e { {Âm» ÄÌ·ÁY ÕZÅÖ¿Z¯ Ö¿Z‡€³{ Y (Zb‡|¸§
.|¿YÃ|‹ ¶Ì°Œe ®ËZ]
¶¯ ²À‡ ּ̋ÂWƒ
Y ®Ë €Å Ö¸Y €ZÀŸ ּ̋ ,ZÅĿ¼¿ \̯€e { ÂÀe ¶Ì·{Ä]
Z] ևZ‡Y ÕZÅcÁZ¨e ÕYY{ Ĭ˜À» ¾ËY { {Âm» Õ}¨¿ ÕZŲÀ‡
ÃÂv¿ ,Ö¸Y €ZÀŸ ּ̋ և€] œÀ»Ä] .|‹Z]Ö» ZŲÀ‡ €´Ë{
Ã|‹ Ã{Y{ ½ZŒ¿ 3 ¶°‹ { ,SiO2 €]Y€] { Ö¸Y ÕZÅ|̈¯Y €Ì̤e
†Ì¸Ì‡ Y|¬» ŠËY‚§Y Z] ,ÖËZeÁ{ cY€Ì̤e ÕZÅY{¼¿ { .d‡Y
,ÖfÌ¿Y€³ Á ÖfËÂË{Á‚¿Â» ,ÖfËÂË{ÂÀ̇ ,ÖËÁ€]Z³ ÕZŲÀ‡ {
{ MgO .|ÀÅ{Ö» ½ZŒ¿ {Ây Y Y ÖeÁZ¨f» ÕZÅZf§ ZÅ|̈¯Y
|Å{Ö» ½ZŒ¿ {Ây Y ֌ÅZ¯ |¿Á SiO2 ŠËY‚§Y Z] ZÅĿ¼¿ Ö»Z¼e
.ICP-MS ‰Á Ä] ½ZyŠaZË - \uZ Ĭ˜À» { Äf§ZË ½Â¼Ày ¦¸fz» ÕZÅĿ¼¿ ¶¯ ²À‡ Ä˂ne Y ¶Zu lËZf¿ .1 µÁ|m
®ËZ] ÕZŲÀ‡
dËÂË{ÂÀ̇
dÌ¿Y€³
dËÂË{Á‚¿Â»
E-1
E-2
E-3
E-4
E-5
E-6
E-7
E-8
FE
FE-3
FE-6
FE-31
FE-32
FE-35
FE-5
SiO2
45.25
45.41
44.89
45.40
46.21
45.49
45.67
46.07
60.81
65.18
76.06
77.29
55.02
58.06
55.31
Al2O3
14.18
13.67
13.29
13.66
14.20
14.04
14.54
14.24
16.12
16.58
13.04
12.01
15.56
16.71
16.62
Fe2O3
9.03
8.99
8.79
8.93
9.20
8.92
9.25
9.23
4.45
2.87
1.10
1.93
5.39
5.32
4.92
MgO
9.67
10.30
11.09
10.79
9.83
10.39
9.08
9.94
3.09
1.86
0.13
0.41
4.45
3.69
3.77
CaO
11.21
11.34
11.23
11.19
11.44
11.24
11.26
11.64
4.65
1.87
0.47
1.17
7.57
5.52
7.85
Na2O
3.46
3.22
3.12
3.45
3.55
3.30
3.65
3.58
5.11
5.65
3.34
4.34
4.65
5.85
5.34
K2O
1.31
1.53
1.53
1.54
1.74
1.63
1.76
1.73
3.13
3.35
5.34
1.67
3.00
2.14
1.74
TiO2
1.38
1.39
1.35
1.36
1.46
1.44
1.49
1.48
0.86
0.55
0.13
0.17
1.96
0.98
2.08
P2O5
0.75
0.75
0.71
0.75
0.75
0.74
0.84
0.76
0.54
0.37
0.02
0.11
1.04
0.62
0.99
MnO
0.14
0.14
0.14
0.14
0.15
0.15
0.15
0.15
0.06
0.02
<0.01
0.04
0.10
0.08
0.09
Cr2O3
0.096
0.101
0.103
0.105
0.088
0.091
0.041
0.087
0.011
0.007
0.007
<0.002
0.007
0.014
0.008
LOI
3.0
2.7
3.3
2.2
0.9
2.1
1.8
0.6
0.8
1.5
0.3
0.8
0.8
0.6
0.9
Sum
99.54
99.57
99.55
99.56
99.56
99.55
99.54
99.57
99.61
99.78
99.93
99.97
99.55
99.55
99.59
18
Հ´ÀÅM Ļ » Á ևZÌ·Y ºÌÅY€]Y
{ Ö¸Y Ö°Ìf¿ƒÁ€fa |¿Á Á{ .SiO2 €]Y€] { Ä ·Z˜» {» Ĭ˜À» Õ}¨¿ ÕZŲÀ‡ \̯€e { {Âm» Ö¸Y ÕZÅ|̈¯Y ÖËZeÁ{ cY€Ì̤e ÕZÅY{¼¿ .3 ¶°‹
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Haschke) ZÅÖ¿Z¯ ªË€¨e ÄnÌf¿ { |¿YÂeÖ» ZŲÀ‡ { LREE
¸^e Ä] ÄmÂe Z] Õ|̇Y Á –‡YÁ|u ÕZŲÀ‡ { €ZÀŸ ¾ËY ½Y‚Ì»
Á ¹ÂÌÀ̻·M €ZÀŸ Y Z‹€‡ į Ô¯Â˃Ôa Á Zb‡|¸§ ÕZÅÖ¿Z¯
.|]ZËÖ» ŠÅZ¯ |ÀfˆÅ ºÌˆ¸¯
0
\̯€e { Ã|ÌrÌa Zf^ˆ¿ ÕYĘ]Y K2O Á Na2O ÕZÅ|̈¯Y
½ZŒ¿ {Ây Y Ä ·Z˜» {» Ĭ˜À» { Äf§ZË ½Â¼Ày ÕZŲÀ‡
Z] ĈËZ¬» { ÖËÁ€]Z³ ÕZŲÀ‡ { €ZÀŸ ¾ËY Y|¬» .|ÀÅ{Ö»
ŠËY‚§Y Ö Ë€‡ |¿Á Z] SiO2 ŠËY‚§Y Z] Á Ã{Â] ¾ÌËZa ZŲÀ‡ €´Ë{
€´Ë{ \̯€e { €ZÀŸ ¾ËY ½Y‚Ì» .(f Á e-3 ¶°‹) |ÀÅ{Ö» ½ZŒ¿
|¿Á Z] SiO2 ŠËY‚§Y Z] Ä ·Z˜» {» Ĭ˜À» { {Âm» ÕZŲÀ‡
ÕZÅÖ¿Z¯ ¸^e ¶Ì·{Ä] |¿YÂeÖ» €»Y ¾ËY .|]ZËÖ» ŠËY‚§Y ՀeÄfˆÅM
{ ÖËZ̸« ÕZÅZb‡|¸§ ½Âr¼Å ºÌ‡Zfa Á ºË|‡ €ZÀŸ ÕÁZu
.|‹Z] Ä ·Z˜» {» Ĭ˜À» Õ|̇Y Á –‡YÁ|u ÕZŲÀ‡ \̯€e
Õ´·Y .|‹Z] €ZÀŸ ¾ËY Y ÖÀ£ ÄÌ·ÁY ž^À» ZË Á (et al., 2002
Ö¯Zy {Z¿ €ZÀŸ ÕZÅY{¼¿ { LREE ÕY€] Ã|‹ Ã|ÅZŒ»
Tb Ze La Y Ö¼ËÔ» Z0 f^ˆ¿ \̋ ÕYY{ dË|À¯ Ä] Ã|‹‚Ì·Z»€¿
Z0 f^ˆ¿ €Ë{Z¬» ÕÁZu Ä ·Z˜» {» Ĭ˜À» ÕZŲÀ‡ .|À‹Z]Ö»
ÕZÅ´·Y { Á Ã{Â] (HREE) ¾Ì´À‡ Ö¯Zy {Z¿ €ZÀŸ Y ÖËÓZ]
ÕYY{ Lu Ze Dy Y dË|À¯ Ä] Ã|‹‚Ì·Z»€¿ Ö¯Zy {Z¿ €ZÀŸ
DyN/ d^ˆ¿ .(c Á aˬ b-4 ¶°‹) |À‹Z]Ö» t˜ˆ» Z0 ^ˀ¬e ÖË´·Y
ÕY€] ,1/39 – 1/45 c Ä] ÖËÁ€]Z³ ÕZÅĿ¼¿ ÕY€] YbN
ÕZÅĿ¼¿ ÕY€] ,1/52 – 1/67 cÄ] ÖfËÂË{ÂÀ̇ ÕZÅĿ¼¿
ÖfÌ¿Y€³ ÕZÅĿ¼¿ ÕY€] Á 1/46 – 1/88 Z] €]Y€] ÖfËÂË{Á‚¿Â»
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.d‡Y Ã|Œ¿ Ã|ÅZŒ» €ZÀŸ ¾ËY
,ÄÌ·ÁY Äf‹Â³ €Ë{Z¬» Z] Â̷Z»€¿ ՀÀŸ |Àq ÕZÅY{¼¿ {
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cÁZ¨e .d‡Y ½Zˆ°Ë ŠÌ] Á º¯ ,Ã|‹Ä ·Z˜» ÕZÅĿ¼¿ Ö»Z¼e
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,€]Y€] { .|ÀÅ{Ö» ½ZŒ¿ Ö³|‹ÖÆe ZÅĿ¼¿ Ö»Z¼e { LILE
Á Nb, Ta €ZÀŸ .|ÀfˆÅ Ö³|‹ÖÀ£ ÕYY{ Th Á Ba €ZÀŸ
,ÖËÁ€]Z³ ÕZÅĿ¼¿ { .|ÀÅ{Ö» ½ZŒ¿ {Ây Y Ö³|‹ÖÆe ‚Ì¿ Ti
ZÅĿ¼¿ €´Ë{ { Ö³|‹ÖÆe ¾ËY .|Å{Ö» ½ZŒ¿ Ö³|‹ÖÆe Pb
–^e€» ÕZŲÀ‡ { Ti Á Taˬ Nb Ö³|‹ÖÆe .d‡Y Ã|Œ¿ Ã|ÅZŒ»
Ã|ÅZŒ» (և¿ZÌ«Y ZË ÕYÃZ«) µZ § ÕZÅÄ̋Zu Š¿YÁ€§ ª—ZÀ» Z]
Gill, 1981; Kelemen et al., 1993; Pearce and) d‡Y Ã|‹
.(Peate, 1995
[Z̼¯ Á Ö¯Zy {Z¿ €ZÀŸ ÕZÅ´·Y
Mc-) dË|À¯ €Ë{Z¬» Z] Â̷Z»€¿ Ö¯Zy {Z¿ €ZÀŸ ÕZÅ´·Y
ÕZŲÀ‡ Ö»Z¼e ÕY€] (4 ¶°‹) (Donough and Sun, 1995
.|ÀfˆÅ Ö¿Zˆ°Ë |¿Á ÕYY{ (ZÅdÌ¿Y€³ ÕZÀjf‡Y Ä]) Ä ·Z˜» {»
.d‡Y cÁZ¨f» ¦¸fz» ÕZÅĿ¼¿ { €ZÀŸ ¾ËY dœ¸£ Ö·Á
Ze 10 ,ÖËÁ€]Z³ ÕZŲÀ‡ { €ZÀŸ ¾ËY Ö¿YÁY€§ įÕ—-Ä]
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€ZÀŸ Ö¿YÁY€§ .d‡Y dË|À¯ €]Y€] 800 Ze 10 ,ZÅdËÂË{Á‚¿Â»
|¿Á ¾ÌÀr¼Å Á Ã{Â] €Ì¤f» ÖfÌ¿Y€³ ÕZŲÀ‡ { Ö¯Zy {Z¿
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\̯€e €] ÄË¿Zi ÕZÅ|ÀËM€§ €ÌiPe |¿YÂeÖ» €»Y ¾ËY d¸Ÿ .(d-4
{» Ĭ˜À» { Õ}¨¿ ÕZŲÀ‡ .|‹Z] ÖfÌ¿Y€³ ÕZÅ-²À‡
{Ây Y (LREE) ®^‡ Ö¯Zy {Z¿ €ZÀŸ { Ö³|‹ÖÀ£ ,Ä ·Z˜»
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Ze 52/315 Y dËÂË{ÂÀ̇ ÕY€] ,19/01 Ze 17/26 Y ÖËÁ€]Z³
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€ZÀŸ Ö³|‹ÖÀ£ .d‡Y €Ì̤e { 72/37 Ze 1/60 Y ÖfÌ¿Y€³
19
...Ze ®Ìˆ¸§ Õ}¨¿ ÕZÅÃ{Âe ּ̋ÂWƒ Á Ճ·Á€fa
McDonough Y dË|À¯ ÕZÅÃ{Y{ .Ä ·Z˜» {» Ĭ˜À» { Äf§Z˽¼Ày Õ}¨¿ ÕZŲÀ‡ ÕY€] dË|À¯ €Ë{Z¬» Z] Â̷Z»€¿ Ö¯Zy {Z¿ €ZÀŸ Y{¼¿ .4 ¶°‹
.and Sun (1995)
.Ä ·Z˜» {» Ĭ˜À» { Äf§Z˽¼Ày Õ}¨¿ ÕZŲÀ‡ ÕY€] ÄÌ·ÁY Äf‹Â³ €Ë{Z¬» Z] Â̷Z»€¿ ՀÀŸ |Àq ÕZÅY{¼¿ .5 ¶°‹
20
Հ´ÀÅM Ļ » Á ևZÌ·Y ºÌÅY€]Y
.(ppm) Ä ·Z˜» {» ÕZŲÀ‡ ¶¯ ²À‡ \̯€e { {Âm» [Z̼¯ €ZÀŸ Ä˂ne Y ¶Zu lËZf¿ .2 µÁ|m
®ËZ] ÕZŲÀ‡
dËÂË{ÂÀ̇
dÌ¿Y€³
dËÂË{Á‚¿Â»
E-1
E-2
E-3
E-4
E-5
E-6
E-7
E-8
FE
FE-3
FE-6
FE-31
FE-32
FE-35
FE-5
Sc
24
24
24
24
24
24
23
25
7
5
2
6
11
9
10
V
206
198
189
189
203
206
215
204
81
47
15
12
130
107
129
Ni
216
235
266
250
201
211
141
199
57
25
<20
<20
88
68
83
Cu
47.0
56.6
55.4
56.1
47.8
62.1
58.1
48.1
7.0
3.1
8.2
1.5
64.3
20.5
66.4
Zn
59
58
60
57
51
63
71
47
14
22
8
22
22
15
19
Co
42.5
41.4
43.4
42.1
40.2
43.0
41.6
41.7
14.6
7.7
1.4
2.1
26.0
17.3
27.2
Ga
14.0
14.6
13.8
13.7
14.8
14.1
15.6
15.2
19.7
18.8
18.5
11.0
17.7
20.3
19.7
Cs
1.1
1.0
0.9
1.0
1.1
1.0
1.1
1.1
0.6
1.3
1.2
0.3
1.2
0.7
1.3
Rb
36.3
38.7
37.8
44.5
43.7
40.5
42.6
43.2
60.2
96.9
210.1
29.5
75.7
37.6
43.7
Sr
997.7 907.5 891.4
901.5
886.6
925.2 1029.7 899.4 1500.9
654.6
189.6
67.7
1359.0
1707.6
1552.1
Y
24.0
22.3
22.8
23.0
23.5
25.4
23.3
9.0
5.7
3.4
32.3
15.2
11.5
15.6
Zr
166.5 150.4 143.4
149.5
151.6
160.2
168.6
153.2
219.2
162.6
120.5
106.5
129.4
174.5
126.1
Nb
27.6
26.3
24.6
25.1
26.4
27.4
29.4
26.7
35.4
20.1
69.4
4.5
42.4
28.2
45.7
Sn
1
1
2
2
1
2
1
2
1
<1
<1
<1
2
1
2
Ba
785
725
693
717
757
750
844
740
1022
837
270
272
1118
1194
542
La
51.9
48.6
47.5
49.1
50.7
51.0
58.3
50.6
54.7
50.7
45.4
9.1
97.9
56.5
106.4
Ce
101.7
96.3
95.7
97.8
100.6
103.3
115.9
101.8
104.8
83.2
61.1
20.9
173.7
114.4
183.0
Pr
11.32 10.98 10.38
10.72
10.94
11.35
12.78
11.08
10.93
7.68
4.34
2.64
16.12
11.83
16.88
Nd
42.3
40.6
38.4
39.9
40.2
42.2
47.3
41.9
38.3
24.2
10.7
11.4
56.1
42.8
54.5
Sm
6.77
6.42
6.34
6.43
6.71
6.88
7.62
6.73
5.19
3.07
0.91
3.09
7.56
6.28
7.18
Eu
1.83
1.79
1.69
1.73
1.79
1.84
1.98
1.82
1.42
0.91
0.23
0.57
2.11
1.81
2.18
Gd
5.17
5.21
5.12
5.23
5.44
5.55
6.00
5.47
3.09
1.76
0.87
3.77
5.01
3.90
5.82
Tb
0.81
0.78
0.76
0.78
0.80
0.83
0.87
0.82
0.41
0.25
0.10
0.72
0.67
0.52
0.65
Dy
4.35
4.18
4.11
4.19
4.26
4.44
4.69
4.38
1.87
1.09
0.52
4.72
3.05
2.39
3.06
Ho
0.84
0.80
0.77
0.79
0.82
0.84
0.88
0.83
0.31
0.18
0.10
1.08
0.53
0.39
0.54
Er
2.26
2.14
2.09
2.13
2.21
2.26
2.46
2.24
0.79
0.53
0.31
3.40
1.35
1.00
1.45
Tm
0.33
0.31
0.29
0.31
0.33
0.33
0.34
0.32
0.11
0.08
0.06
0.57
0.20
0.14
0.21
Yb
2.10
2.00
1.93
1.94
2.05
2.12
2.20
2.04
0.75
0.48
0.45
4.09
1.22
0.85
1.40
Lu
0.31
0.29
0.29
0.30
0.30
0.31
0.32
0.30
0.11
0.07
0.09
0.65
0.19
0.12
0.22
Hf
4.1
3.6
3.5
3.6
3.8
3.8
4.1
3.7
4.9
3.9
4.9
3.6
3.8
3.9
3.9
Ta
1.5
1.5
1.3
1.3
1.5
1.4
1.6
1.4
1.8
1.3
6.2
0.5
2.3
1.6
3.0
Pb
4.4
4.2
3.7
2.5
2.7
4.7
5.1
2.4
5.2
5.4
4.0
2.8
14.0
3.7
14.3
Th
9.4
8.8
8.4
9.3
9.1
9.7
11.3
9.5
14.9
11.3
44.7
4.2
27.1
7.5
31.0
U
2.2
2.1
2.0
2.1
2.2
2.3
2.7
2.2
2.1
3.7
15.9
1.3
10.6
2.1
12.9
22.5
21
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22
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23
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24
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25
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26
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