1、 16 null1998 M null 4 null12 null null null null null null null null null null 2 null null HENAN null GEOLOGY null null null null null null nullnull Vol. 16null No. 4null Dec. null null 1998 r + # 任耀武null( )K null 1 null r + ) F a . 5 y , S # s T B r m b 1 # 3 L = 8 , ) r S # s T b1 o M null r , + ,
2、 m E s | null P 618null71null B Q r V 0 57 71 15 , “ , y 61| Pm( ) M y ,1 ,# 14 b B (Y) o r M O M 3 , # Y 9 B N 7 d r , REE TR U bB r s F , La( 57) - Eu(63) r B r , LREE U ; Gd(64)- Lu(71) r , B ( Y)9 r , # B r , HREE nullY U b 9 r s F , r (LREE, La- Nd)a r (MREE, Sm- Ho)# r (HREE, Er- Lu) , B ( = s
3、 E b2null r + N ) r + a9 Z E # U i l , / M s y ,| b(1)nullREE: r 9 , 10- 69 , B Y, , bnullREE a 9 b(2)LREEaHREE: a r c , 10- 69 b(3)LREE/HREE nullCe/nullY: a r c 1 ,Q a r s s bnull T e : 2 , 3 , 58 , 1957 M 8 1 s ,Q s , 1 s b o F S 9 , 9 T : null u= (Eu) N/0. 5(Sm+ Nd) N( r + ,O / S N# , o F S 9 )b
4、r o F S m ( S : m ) , s , s ! , s L bnull u l ,5 F s s ( DI ) v ,5 s s b/ Eu 1 y , Q s 1 Ce s , nullCe 1000%10- 6) + b S : m , w L LREE “ ,7 w L # C Eu s ,B y ( s s # T A! h )bR ( | F ( ): logf o2= - 4. 60( 0. 18) logEu2+ /Eu3+ - 3. 86( 0. 27)b5null4null ) F # s m 1 r g / m V ) F # y : null REE s S
5、: m ;(nullREE ! La/Ybm ; )Sm ! Sm/ Eu( F )+/Sm/Eu( F )+m (HnullWakita) ; ,Yb ! Ta(d REE)aY! SiO2(d REE)aSiO2 ! Yb # Ce/Yb ! Ta/Yb m ( Pearce 1982); LREE/HREE( Y 1992); .Y ! La! Ce m ( RnullSnullThorpe 1972); /Eu! Sm # Sm ! Ndm ; 0La/Yb! nullREE m ; 1 nullEu! nullREE m ; 2 F / : ! REE s m ; nullLa/Sm
6、 ! La m ( Treuil Jolon 1975 )b6null r REE F K M # B = “ , V S s :(1)Y ! MM(d REE)m V 8 c (JnullAnullBaidwin, 1982)b(2) (1988) , - 0 F ,nullREE # LREE/HREE v 7 Eu/Sml , La/Yb= 7. 4 13. 2( T S ) ; F , nullREE # LREE/HREEl , La/Yb=5null09(l T )b(3) ; (1989) , * M REE + :* M Eu , M Nd “ 7 Sm ,Q A _ a H
7、, LREEaHREEs 9 v , M nullREEaLREE # LREE/HREE c M M 1 (M 1 “ 0null99)b F nullREEV * v 9 ,V C “ d M , F F REEs w L o v b F Z F nullREE# LREE/HREE v i O “ Eub(4) B (1993) ! : 5 , REE o + V Y c b u = 5 K M ( ), nullREE , Eu ,7 (= ) nullREE , Eu b F K M , ( C A Eu ,i O nullREE9 F 7 LREE/HREE , K M 7 z 5
8、 A Eu b9 ? p : nullEu l , z b(5)3 (1994) N v 4 2 5 H ? C ( # 1 “ ) , u = 1 d M nullREE128 % 10- 6 162 %10- 6, LREE/HREE 2null33null4( ( 3) , nullEuB s ;7 1 = “ / d v F P F (P1d)Z M (%5 “ ) nullREE , M W ( c ( 99 % 10- 6HERRMANN ) s B P , LREE/HREE= 0. 5 , O Eus , t + d M b(6) r + V a 8 K # M - (Sm-
9、NdE ) ,N b307 4 null null null null null null null null null null null null null 2 : r + # THE EVOLUTIONARY CHARACTERISTICS OF THE RAREEARTH ELEMENT(REE) AND APPLICATION IN THE GEOLOGYRen Yaowu( The Geological Prospecting Institute of N orth China GeologicalExploration Bureau f or Nonf errous M etal
10、 , Tianjin City, 300181, China)AbstractTo make an approach to the geneses of rock, mineral and deposit by the use of evolutionarycharacteristics of the rare earth element ( REE) is a effective means in the geological scientific renullsearch and prospecting. According to the related documents and the
11、 author3 s practical experience,the author has probed the applicated general situation of REE in the geological scientific researchand prospecting works.Key wordsnull the rare earth element( REE), evolutionary characteristics, application in the genullology m 7 ?1null # ; 8 a 3 “ d 1 . 8 , K y . ) ,
12、 K v K L C o Z “ b R # u v a T , a # EV bIBM 9 ; V , f 20 W C , _ # 3 I n b| , . l 8 | Z s “ ? i | Z T , #| M i B 8 T # | Z T 7 | Q 1 b P 4 U , - 8 M t ! b “ ? Z , 1 i ,7 O | 1 b | , , | y , e Z L , s H W bW K b V a H W P b , E V a i , . ? , ? 1 P b a q 3 a a a r a a n a D byN , R i s | T b | M F b
13、m 6 C 7 , 9 i H $ E # #b7 B t m 6 f 1 _ P # B b #T B X 7 S N C m f D , , T m f , M l b = S v B = , B V ,Y V 9 V 9 b Q “ S = # 7 7 ? 1 “ B + / 3 , y N , L = (下转318页)308 null null null null null null null null null null null null null null null 2 null null null null null null null null null null null null null null null null null null 16
