1	-	Priem, H. N. A., Verschure, R. H., Boelrijk, N. A. I. M., Hebeda, E. H., Thorkildsen, C. D. (1968). Rb-Sr and K-Ar age measurements of phlogopitic biotite from the ultrabasic lamprophyre dyke on the island of Ytterøy, Trondheimsfjord, Norway. Nor. Geol. Tidsskr., 48, 319-321.
2	-	Priem, H. N. A., Verschure, R. H., Boelrijk, N. A. I. M., Hebeda, E. H., Thorkildsen, C. D. (1968). Rb-Sr and K-Ar age measurements of phlogopitic biotite from the ultrabasic lamprophyre dyke on the island of Ytterøy, Trondheimsfjord, Norway. Nor. Geol. Tidsskr., 48, 319-321.

Confirmation

Validity:

Believed Valid

Data

Mineral Data:

Click here to view Mica Group data

Locality Data:

Click here to view Ytterøya, Levanger, Trøndelag, Norway

Data Identifiers

Mindat Occurrence Record ID:

1389318

Long-form Identifier:

1:3:1389318:1

GUID (UUID V4):

References

Carstens, H. (1962) A post-Caledonian ultrabasic biotite lamprophyre dyke of the island Ytterøy in the Trondheimsfjord, Norway, in Årbok 1961. Norges Geologiske Undersøkelse 215, Norges Geologiske Undersøkelse (NGU). p.10-21.

Priem, H. N. A., Verschure, R. H., Boelrijk, N. A. I. M., Hebeda, E. H., Thorkildsen, C. D. (1968). Rb-Sr and K-Ar age measurements of phlogopitic biotite from the ultrabasic lamprophyre dyke on the island of Ytterøy, Trondheimsfjord, Norway. Nor. Geol. Tidsskr., 48, 319-321.

Mitchell, John G., Roberts, David (1986) Ages of lamprophyre dykes from Ytterøy and Lerkehaug, near Steinkjer, Central Norwegian Caledonides. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 66 (4) 255-261

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Mica Group from Ytterøya, Levanger, Trøndelag, Norway

Mica Group from
Ytterøya, Levanger, Trøndelag, Norway