Apatites - Rare Earth Elements in Ultramafic and Mafic Rocks and their Minerals - page 180

Granodiorites
(inner)

Granodiorites
(outer)

Diorites

Adamellites
(outer)

Adamellites
(inner)

Aplites

Figure 5.3 Chondrite-normalized REE patterns for apatites from diorites (1), granodiorites (2, 3),
adamellites (4, 5), and aplites (6) from Boggy Plain massif (New South Wales province,
Australia) (data Table 5.2).

Table 5.3 Average REE composition of apatites from diorites, granodiorites, adamellites, and aplites
from Boggy Plain massif (New South Wales province, Australia) (ppm).

Granodiorites
(outer)

Granodiorites
(inner)

Adamellites
(outer)

Adamellites
(inner) Diorites Aplites

Element n = 8 n = 8 n = 10 n = 6 n = 10 n = 4

La 718 1264 1456 1264 1438 1353

Ce 1654 2305 2635 2894 3162 3082

Pr 219 259 272 354 375 372

Nd 955 998 927 1350 1370 1332

Sm 181 160 122 201 205 230

Eu 16 12 12 16 17 18

Gd 169 132 90 150 147 181

Tb N.d. N.d. N.d. N.d. N.d. N.d.

Dy 114 83 50 89 103 185

Ho N.d. N.d. N.d. N.d. N.d. N.d.

Er 53 38 24 44 54 104

Tm 6,2 4,6 3,0 5,7 7,4 16,9

Yb 34,0 25,5 18,3 34,3 46,2 122

Lu 4,4 3,7 2,7 5,0 6,7 17,5

Total 4124 5284 5613 6407 6929 7011

(La/Yb) n 14,3 33,5 53,8 24,8 21,0 7,5

(Eu/Eu*) n 0,27 0,27 0,33 0,26 0,29 0,27

Note: Data Table 5.2.