Bergtegundir í eldstöðvakerfi Snæfellsjökuls.1


Hraun Sýni Hnit
(Google Earth / GPS-kort)		 Bergtegund Aldur Gígur
Búðahraun H91 64.825 N 23.394 W
N64 49.500 W23 23.640		 ól bas pg (< 8 ká)
Sandahraun CIS297 64.902 N 23.923 W
N64 54.12 W023 55.38		 ab pg (< 8 ká)
Saxhhóladalur CIS299 64.829 N 23.922 W
N64 49.74 W023 55.32 		ab pg (< 10 ká)
Neshraun,
Gufuskálamóar		 H99 64.876 N 23.971 W
N64 52.56 W023 58.26		 ab pg (< 8 ká)
Drangahraun H98 64.752 N 23.826 W
N64 45.12 W02349.56		 ab pg (< 10 ká)
Neshraun,
Öndverðarnes		 H100 64.881 N 24.042 W
N64 52.86 W024 2.52		 ab pg (< 10 ká)
Sjónarhóll CIS298 64.857 N 23.857 W
N64 51.42 W023 51.42		 ab pg (<10 ká)
pg (<10 ká)
Hnausahraun
Breiðavík		 CIS301 64.802 N 23.620 W
N64 48.3 W023 38.16		 haw pg (< 10 ká)
Beruvíkurhraun CIS300 64.768 N 23.876 W
N64 46.08 W023 52.56		 haw pg (<8 ká)
Háahraun H96 64.742 N 23.743 W
N64 44.52 W023 44.58		 haw pg (< 10 ká)
Háahraun H97 64.742 N 23.743 W
N64 44.52 W023 44.58		 haw pg (< 8 ká)
Hnausarhraun H92 64.805 N 23.636 W
N64 47.4 W023 39.84		 haw pg (< 8 ká)
Klifahraun H93b 64.790 N 23.664 W
N64 47.4 W023 39.84		 mug pg (< 8 ká
Hólahólar CIS293 64.785 N 23.918 W
N64 47.1 W023 55.08		 mug pg (<8 ká)
Hellnahraun H94 64.763 N 23.656 W
N64 45.78 W023 39.36		 ben pg (< 8 ká)
Háahraun CIS292 64.740 N 23.740 W
N64 44.4 W023 44.4		 tr pg (< 8 ká)
Háahraun H95 64.745 N 23.743 W
N64 44.7 W023 44.58		 tr 3960 ± 150 BP
SN2
gjóska		 CIS031a 64.824 N 23.723 W
N64 49.44 W023 43.38		 tr > 300 ká
Tághálsar CIS296 64.852 N 23.734 W
N64 51.12 W023 44.04		 ól bas ∼ 55 ká
Ljósuskriður
hraungúll		 CIS295 64.820 N 23.901 W
N64 49.2 W023 54.06		 mug ∼ ká?
Ljósuskriður
hraungúll		 CIS294 64.819 N 23.899 W
N64 49.14 W023 53.94		 tr
Bergtegundir: ól bas: ólívíne basalt; ab: alkalí basalt; haw: hawaiite; mug: mugearite; ben: benmoerite; tr: trakít.
Aldur: pg: [post glacial] eftir ísöld.


Heimildir: 1 Kokfelt, Thomas Find et al. 2009: „Time-scales for magmatic differentiation at the Snaefellsjökull central volcano, western Iceland: Constraints from U–Th–Pa–Ra disequilibria in post-glacial lavas“, Geochimica et Cosmochimica Acta 73 (2009) 1120–1144.