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2005 , 7

1.
C P

.. p, .X. p
c p C P, 664033, pc, . p, 128, Pcc
: , ccp c, p pc, p, p cpp.
: 685-699
:

>>
c x , c , cc c c p (p) c cpp, c cp cp cp. c px p, x cp c p p pc c ccp, c p, p ccp c c p . C , cc p ccp c c cp p pc, cx p px cpc c p p. c p c ccp c, p p c c c c pc p cc. p c p c cc , px cppx pc cp, p c p pp c cp, p -c .


2.
X P PC P

.. p
c P, 123995, c, . pc, 10, Pcc
: Cp p pp, x p, cc pc, px, cc, p p.
: 700-713
:

>>
pc p 16-20 - cx x cx cc . c c ( c-pc ) c cp p c c cpc px , p c c c . c x c , x c . 10-12 c c c c , p c p c. p x c p ~20 c cpc px , p , p xpp px p . xc cc p c cc cc p. cp p, p, pc , p x, c c (35-40 ), pp. p p ccc pp (12-14 ) c c pc cp 10-15 %, pp, c. c, c p c p p c x px.
c pc p p p c. p p c c pc cp. cccx p , c c pc p c. c 5 % p p, p c p px p. p p cp p, p p c cp p c p c x . C p c p pc c cc.


3.
PC , PX C PC (Cp p)

.. p, .. p, .. Cp, .. x
c x C P, 664033, pc, . pc, 1, Pcc
: x, xp, pcp, cpp.
: 714-722
: P, X P

>>
p pc Rb-Sr c c c cpp-c c (C) (92710 ) x pc Nd pc (c C) c (Cpc C) c - 2,54 2,61-2,82 p cc. xc , c xppc, p NMORB, p c ((87Sr/86Sr)0 = 0,7025-0,7032) c c c, c p p cppc p. cc c p pc c c cc cc p p p c c c c c C pc p c C, p p c pc c pc Cpc p. pp c c pc cx p Cp p c 15 c cx x p.


4.
Rb-Sr PC X C

.. , .. X, .. cx
c c C P, 670047, -, . Cx, 6, Pcc
: P, c, c cp, Rb-Sr , .
: 723-730
: P, X P

>>
p c c cp-c pcp pc 100 p p 12-15 . pc c c cpx, cpx px, c-pp, px, pxp. xc cc p p c cp. Rb-Sr p c-pp , p x c pcx p-p p 300-285 c p c pp cc x p - , cx px-px, cc, x cc Cp-c-c p c.


5.
C P C -CC C C C X P

..
c C P, 630090, cpc, pc. , 3, Pcc
: c, c, c, -Cc c.
: 731-740
: P, X P

>>
p -Cc c p p p, , x c c ( c x c-pc) c c ccx p. c p x c, px xppc c c c . p cc c pcp px c x c c Cpc p. c p p p.


6.
P- P PC XPX PP P

.. p, .. c, .. p, ..
c , p C P,
630090, cpc, pc. , 3, Pcc
: pp, p- p, p, xp.
: 741-745
: P, X P

>>
pp, pc p- p cp Zn, cx cp Ni, cp c p- pcp p. p ppx Camebax Micro JXA-8100. Cxc px p xppc cp ( S ) 0,003 %. pc p, pcx c p p- , cc S = 0,004-0,005 %. Cc cp pp p 20-30, pc cc pp.


7.
PPPX P PC CX PC C P

.. c, .. , . p*
c p C P, 664033, pc, . p, 128, Pcc
* ccc p cp , -p,
: C pc, pc cc, , ppp p, pc, c p, .
: 746-762
:

>>
pppx p pc cx pc c p, px xx p px p p p c p c p pcp cc. c c pc cc xppccx pc p p K P max = 19, ppp p cx pc c K P = 18 cc 220 c p, 370, 470 430 -, p cp-c p 210 . p K P max = 19 px x ppp pc cc pc c 10 %- pc p 50 p ( KP): 18,39; 18,15; 18,00; 18,06 18,42; pc pc c KP = 18,0 50 cc ( P ): 0,20; 0,13; 0,10; 0,11 0,21 cc.


8.
C P C CCC CC CX CX X P C CC P

..
c c c P,
683006, pc-c, p , 9, Pcc
: Cc, ccc cc, cc p.
: 763-775
:

>>
pc p c p, cpp pccc xcc cc p p pcp pcpc pcp c pccc p. Pccpc c c pp Semblance (p cccx c) p pcp. cx x x ( c/), ppcx, cx p pc, x c p c ccc cc, cp p c pp. c pcpp c, p c pcx.