Vote for your favorite mineral in #MinCup25! - Zunyite vs. Molybdenite
It's the visually-unmistakable #zunyite vs the physically funky #molybdenite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic Time
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral Quiz
Photo SearchPhoto GalleriesSearch by ColorNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Umeji, A. C., Caen-Vachette, M. (1991) Geochronology of a rhyolite dyke from Nassarawa-Egon in Central Nigeria. Geologische Rundschau, 80 (1) 171-177 doi:10.1007/bf01828774

Advanced
   -   Only viewable:
Reference TypeJournal (article/letter/editorial)
TitleGeochronology of a rhyolite dyke from Nassarawa-Egon in Central Nigeria
JournalGeologische Rundschau
AuthorsUmeji, A. C.Author
Caen-Vachette, M.Author
Year1991 (February)Volume80
Issue1
PublisherSpringer Science and Business Media LLC
DOIdoi:10.1007/bf01828774Search in ResearchGate
Generate Citation Formats
Mindat Ref. ID511871Long-form Identifiermindat:1:5:511871:1
GUID0
Full ReferenceUmeji, A. C., Caen-Vachette, M. (1991) Geochronology of a rhyolite dyke from Nassarawa-Egon in Central Nigeria. Geologische Rundschau, 80 (1) 171-177 doi:10.1007/bf01828774
Plain TextUmeji, A. C., Caen-Vachette, M. (1991) Geochronology of a rhyolite dyke from Nassarawa-Egon in Central Nigeria. Geologische Rundschau, 80 (1) 171-177 doi:10.1007/bf01828774
In(1991, February) Geologische Rundschau Vol. 80 (1) Springer Science and Business Media LLC

See Also

These are possibly similar items as determined by title/reference text matching only.

Umeji, A.C., Caen-Vachette, M. (1984) Geochronology of Pan-Africa Nassarawa Eggon and Mkar—Gboko granites, Southeast Nigeria. Precambrian Research, 23 (3) 317-324 doi:10.1016/0301-9268(84)90048-2
Caen-Vachette, M., Umeji, A.C. (1988) Geology and geochronology of the Okene area: evidence for an Eburnean orogenic cycle in south-central Nigeria. Journal of African Earth Sciences (and the Middle East), 7 (1) 121-126 doi:10.1016/0899-5362(88)90058-9
Umeji, A. C., Caen-Vachette, M. (1983) Rb-Sr isochron from Gboko and Ikyuen rhyolites and its implications for the age and evolution of the Benue Trough, Nigeria. Geological Magazine, 120 (6) 529-533 doi:10.1017/s0016756800027679
Hoek, J. D. (1991) A classification of dyke-fracture geometry with examples from Precambrian dyke swarms in the Vestfold Hills, Antarctica. Geologische Rundschau, 80 (2) 233-248 doi:10.1007/bf01829363
Hoque, M., Nwajide, C. S. (1985) Application of Markov chain and entropy analysis to lithologic successions: An example from the Cretaceous of the Benue trough (Nigeria) Geologische Rundschau, 74 (1) 165-177 doi:10.1007/bf01764578
Marsh, B. D., Gunnarsson, B., Congdon, R., Carmody, R. (1991) Hawaiian basalt and Icelandic rhyolite: Indicators of differentiation and partial melting. Geologische Rundschau, 80 (2) 481-510 doi:10.1007/bf01829378
Fiechtner, L., Friedrichsen, H., Hammerschmidt, K. (1992) Geochemistry and geochronology of Early Mesozoic tholeiites from Central Morocco. Geologische Rundschau, 81 (1) 45-62 doi:10.1007/bf01764538
Lindström, Maurits, Ekvall, Johan, Hagenfeldt, Stefan E., Säwe, Brigitta, Sturkell, Erik F. F. (1991) A well-preserved Cambrian impact exposed in Central Sweden. Geologische Rundschau, 80 (1) 201-204 doi:10.1007/bf01828777
Artsybashev, V. A., Kogbe, C. A. (1975) Crustal Structure of the Benue Valley Area (Nigeria) Geologische Rundschau, 64 (1) 324-329 doi:10.1007/bf01820672
Kröner, A. (1991) African linkage of Precambrian Sri Lanka. Geologische Rundschau, 80 (2) 429-440 doi:10.1007/bf01829375
Orsi, G., Ruvo, L., Scarpati, C. (1991) The recent explosive volcanism at Pantelleria. Geologische Rundschau, 80 (1) 187-200 doi:10.1007/bf01828776
 
and/or  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2025, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 12, 2025 02:29:31
Go to top of page