SU PHAN EO VA PHAT TAN KIM LOAI NANG<br />
TRONG [r VA NTJOC<br />
KHU vrlc Mo ruEc soN DuoNc<br />
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1. Dd( ven<br />
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dd<br />
trung cho m6 thidc Son Duong : Sn, W, Ctr, As,<br />
Bi,<br />
Fe, Pb, Zn,CA.<br />
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2. Da'i<br />
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r34<br />
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Uon! vi phuongphdp nghien itia<br />
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pch quflng<br />
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cung<br />
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nAng cho todn<br />
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tt<br />
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thung l0ng.<br />
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Qu+ng thiet gdc, eluvi, deluvi<br />
sa kho6ng do qu6 trinh khai<br />
th6c vri tuydn dd ld,m ph6t t6n<br />
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vi<br />
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mOt lAri nta c6c kim loai ning<br />
vdo thunglfrng Ngditrm.<br />
ho<br />
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thu<br />
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gdm c6c mdu nu6c, m6u ling<br />
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c5n cria chinh m6u nu6c tl6<br />
vd<br />
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mAu bun s6t ven sOng suOi<br />
ngay rai noi ldy mAu nu6c.<br />
Yeu duo. c phAn tich bing<br />
phuong ph6p quang phel drn[<br />
rudng tren m6y c6ch tri nhi0u<br />
xa D@C - 8 - 3 theo tiou chuEin<br />
phAn tich<br />
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Hinh I . HC rh6ng s6ng, suOi vd<br />
duong phan thuy virng Son Dr-rone<br />
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oft<br />
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Quang ph<br />
Trung tAm<br />
Bring 1. Him lugng kim lo?i ning<br />
trong d6<br />
56 lugng<br />
mau<br />
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Riolit<br />
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3,6<br />
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Granit<br />
D6 phiOn sericit<br />
D6 phidn thach anh<br />
D6 phich bi cd n6t<br />
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As<br />
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-40<br />
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Zn<br />
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Bi<br />
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ll0<br />
<br />
36<br />
<br />
73<br />
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800<br />
r 600<br />
400<br />
<br />
3900<br />
<br />
r l0<br />
120<br />
<br />
46900<br />
58000<br />
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970<br />
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220<br />
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600<br />
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730<br />
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17900<br />
7800<br />
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5-500<br />
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40?50<br />
61000<br />
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100<br />
750<br />
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90<br />
410<br />
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76400<br />
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800<br />
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38600<br />
228300<br />
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970<br />
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Thach anh - oxy,t s6t cassiterit<br />
ro+c0<br />
Thach anh - .rulfur - biorir _<br />
turmalin - cassiterit<br />
r 3+00<br />
Thach anh - ox1 t s6t _ sulfur l15rYt<br />
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75<br />
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90<br />
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Pb<br />
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w<br />
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l6<br />
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120<br />
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38<br />
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3500<br />
r 6800<br />
62700<br />
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turmalin<br />
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tdi li0u cria U"*<br />
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Cu<br />
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c6c mgch qufng Ngdi Lem. (g/t)<br />
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50<br />
120<br />
350<br />
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lfur<br />
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Thach anh - sulfur<br />
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9600<br />
5050<br />
7500<br />
'6760<br />
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sericit<br />
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D6 phicn bi bien ddi<br />
Thach anh - sdt - turmalin<br />
Thach anh - s6t - turmalin<br />
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Sn<br />
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340<br />
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K€l qud nghi€n ctht<br />
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Ket qui ph0n tich mau ddt<br />
thung lfing Ngdi Lrm duo. c thd<br />
hien & bdng 2.<br />
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al'<br />
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Trongbaing2:NLtg_ddt<br />
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sudn thung l0ng Ngdi<br />
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l0ng Ngdi tem.<br />
Ket quri ph&n tich nu6c vd<br />
cen hong nu6c doc tuy€'n sudi<br />
Ngdi I4m duoc thd hien trong<br />
bdng 3 : N[.0] - m6u nu6c thrii<br />
ra ciia xucrng nghidn<br />
tuy€n), N1,02 -mdu ddr _ br)n<br />
cirng vi tri, N1,03 - mAu hod<br />
trOn giiia nu6c thiii vd nu6c<br />
su0i Ngdi Lrm (c6 inh huong<br />
cua qu6 trinh nghidn tuydn o<br />
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Vikirdy m6u<br />
Hr-r6ns dons chdy<br />
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Hinh 2. Bdn chrla nudc Ngdi lrm vi mang<br />
phia tren), Nt04 - mau ttdt _<br />
lu6i l{y miu<br />
bin cDng vi rri NLrs _ mfiu<br />
nudc suOi Ngdi km c6ch<br />
NL03 150 m, Nt06 - m5u ddt _ bin cing<br />
vi tri, nu6c tuong ung. Dd so s6nh chirng tOi<br />
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NL08 - mAu nudc suoi Ngdi Lem c6ch<br />
NlbS OSO<br />
m, N1,09 - mAu ddt - bin cing vi tri, NLl0 _<br />
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nuoc suOi Ngdi lrm (doan cuOi suOi c6ch<br />
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Nt0g<br />
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2.000 m, c6ch s6ng D6y 600 m), NLl2 _<br />
mdu nuoc<br />
s0ng D6y, NL20 - mAu nudc sufii<br />
4T (tr€n suon<br />
thu.ng liing, noi gdn nhu khOng bi<br />
:inh huong ciia<br />
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6 day mdu nudc ciia song<br />
4. PhAn<br />
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Chriy.<br />
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e<br />
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ciing<br />
- ----o dAn<br />
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tich k€t qud vi thtio tuiln<br />
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qu6 trinh khai th6c _ nghidn _ tuydn),<br />
NIlfC,<br />
NL03c, NL05c, NL08c, NLIOC _ *n i-nfrnau<br />
Bdng 2..Ham tuqng kim toqi n{ng trong<br />
ddt<br />
thung l0ng Ngdi Lgm (mg/kg)<br />
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_<br />
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Mdu<br />
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Cd<br />
<br />
Pb Zn<br />
<br />
NLl S 0,23<br />
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0,69<br />
NLt9 0,22 o,64<br />
NL2l 1,56 r,509<br />
Nt22 0,29 2,44<br />
<br />
TB<br />
<br />
0,575<br />
<br />
|,32<br />
<br />
Cu<br />
<br />
Bi<br />
<br />
w<br />
<br />
Fe<br />
<br />
2,76
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