sparagmite

sparagmite

[spə′rag‚mīt]
(geology)
Late Precambrian fragmental rocks of Scandinavia, characterized by high proportions of microcline.
References in periodicals archive ?
Zircon U-Pb ages and Lu-Hf isotopes from basement rocks associated with Neoproterozoic sedimentary successions in the Sparagmite Region and adjacent areas, South Norway: the crustal architecture of western Baltica.
1959, Palaeomagnetism in some Norwegian Sparagmites and the Late pre-Cambrian Ice Age: Nature, v.