COMMISSION GEOLOGIOUE - Arkisto.gsf.fi
COMMISSION GEOLOGIOUE - Arkisto.gsf.fi
COMMISSION GEOLOGIOUE - Arkisto.gsf.fi
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
70 Bulletin de la Commission geologique de Finlande N: 0 212.<br />
Table 7. Solid solution of NaAlSisOs in potash feldspar of the porphyroblastic<br />
granodiorites, map sheet of Lappeenranta (3134), Southeastern Finland.<br />
Sampie Locality Triclinicity NaAlSi,O, in solid solution<br />
in potash feldspar<br />
790/AV/60 . . .... . ....... ·1 Ampujala 0.95-0.97 3 wt. % (G &L) 1)<br />
140/PH/60 . ...... ..... .. . Ilottula 0.90- 0.95 4 (G&L)<br />
581 b/KV/60 ............. Haikola 0.94 4 (G &L)<br />
129/PH/60 ....... . ....... Partala 0.0 6 (G &L)<br />
4 (T &B) 2)<br />
73 b/AV/59 ............ .. Summinkisaari 0.0 7 (G &L)<br />
7 (T&B)<br />
661/AV/60 ............... Saikkola 0.0 -0.20 7 (T &B)<br />
1) (G & L) refers to method of Goldsmith and Laves, 1961.<br />
2) (T & B) ,) Tuttle and Bowen, 1958.<br />
OTHER PARTS OF FINLAND<br />
To obtain a still more widely dispersed network of observations, we<br />
include also the results of the triclinicity determinations performed by Dr.<br />
O. Kouvo (see p. 56), arranged in three tables (8 to 10) in such a way that<br />
Table 8. The triclinicities of potash feldspars extracted from acid plutonic rocks from<br />
various localities. Determined by O. Kouvo.<br />
Locality<br />
Rock type<br />
Triclinicity<br />
Remarks<br />
Siuro, Linnanvuori ... ....... .<br />
Tiirismaa ........... . ...... .<br />
Varmala ............... . ... .<br />
Aulanko ................... .<br />
Mikkeli parish, Uusi Kola.<br />
Rantasalmi at the railway station<br />
of Hiltula ...... ... ... .<br />
Suomussalmi ............... .<br />
Savia .. . ... . . . .... . ... . . .. .<br />
Outokumpu . .. . ........ .... .<br />
Murtomäki, between Kajaani<br />
and Iisalmi .............. .<br />
Aavasaksa ...... .. ......... .<br />
Kemi, Sompujärvi, road to<br />
Alaniemi ...... .. ........ .<br />
Varala . ... . .. ......... . ... .<br />
Inari, Kyyneljärvi .......... .<br />
Eräjärvi .. . ...... . ......... .<br />
Pyhäsalmi mine ............ .<br />
Pielavesi, Vaaraslahti ....... .<br />
porph. granodiorite:<br />
porphyroblasts<br />
matrix<br />
granodiorite, gneiss<br />
granodiorite<br />
,)<br />
porphyroblasts<br />
matrL"I:<br />
even-grained granite<br />
granodiorite<br />
gneiss granite<br />
pegmatite granite<br />
,)<br />
granite<br />
,)<br />
pegmatite<br />
granite<br />
pegmatite<br />
microcline pegmatite<br />
pyroxene granite<br />
Sotkuma ...... . . . ... . ...... granite gneiss<br />
33 km N of Mikkeli . . . . . . . .. porphyrobI. granite<br />
1.0<br />
1.0<br />
0.85<br />
1.00<br />
0.9<br />
1.0<br />
1.0<br />
1.0<br />
0.85<br />
1.0<br />
0 .75<br />
1.0<br />
1.0<br />
1.0<br />
1.0<br />
1.0<br />
0.85<br />
1.0<br />
1.0<br />
0.7 5<br />
0.9<br />
possibly<br />
late kinematic<br />
late kinematic<br />
may be nonhomogeneous<br />
two phases<br />
may be augen gneiss<br />
I
Change language