A new occurrence of porphyritic syenite in the Oslo igneous province, southeast Norway
Niels Westphal Petersen & Henning SørensenNiels Westphal Pedersen Artikkel Engelsk
*0011713267 *008971211s1997 xx# 000 0 eng *019 $bk *08230$a552.3 *100 $aWestphal Pedersen, Niels$_170116000 *245 $aA new occurrence of porphyritic syenite in the Oslo igneous province, southeast Norway$cNiels Westphal Petersen & Henning Sørensen *300 $aS. [123]-136 *650 $aporfyrisk syenitt$9nor$2norart$_170116100 *700 $aSørensen, Henning$_137615100 *773 $tNorsk geologisk tidsskrift$gVol. 77, no. 2 (1997)$x0029-196X$w(NO-LaBS)279607(tnr) *999 $z9700228413$anorart:9700228413 ^