1-20 OF 25
Results shown limited to content with bounding coordinates.
Birger Rasmussen
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
Journal Article

Evidence from laminated chert in banded iron formations for deposition by gravitational settling of iron-silicate muds

Birger Rasmussen, Janet R. Muhling, Woodward W. Fischer
Published: 08 January 2019
Geology (2019) 47 (2): 167-170.
DOI: https://doi.org/10.1130/G45560.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Multiple episodes of hematite mineralization indicated by U-Pb dating of iron-ore deposits, Marquette Range, Michigan, USA

Birger Rasmussen, Jian-Wei Zi, Stephen Sheppard, Bryan Krapež, Janet R. Muhling
Published: 01 July 2016
Geology (2016) 44 (7): 547-550.
DOI: https://doi.org/10.1130/G37783.1
PDF
Purchase
Add to Citation Manager
Journal Article

Precipitation of iron silicate nanoparticles in early Precambrian oceans marks Earth’s first iron age

Birger Rasmussen, Bryan Krapež, Janet R. Muhling, Alexandra Suvorova
Published: 01 April 2015
Geology (2015) 43 (4): 303-306.
DOI: https://doi.org/10.1130/G36309.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Seafloor silicification and hardground development during deposition of 2.5 Ga banded iron formations

Birger Rasmussen, Bryan Krapež, Janet R. Muhling
Published: 01 March 2015
Geology (2015) 43 (3): 235-238.
DOI: https://doi.org/10.1130/G36363.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Iron silicate microgranules as precursor sediments to 2.5-billion-year-old banded iron formations

Birger Rasmussen, Daniela B. Meier, Bryan Krapež, Janet R. Muhling
Published: 01 April 2013
Geology (2013) 41 (4): 435-438.
DOI: https://doi.org/10.1130/G33828.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Metamorphic replacement of mineral inclusions in detrital zircon from Jack Hills, Australia: Implications for the Hadean Earth: REPLY

Birger Rasmussen, Ian R. Fletcher, Janet R. Muhling, Courtney J. Gregory, Simon A. Wilde
Published: 01 December 2012
Geology (2012) 40 (12): e282-e283.
DOI: https://doi.org/10.1130/G33959Y.1
PDF
Add to Citation Manager
Journal Article

Tranquillityite: The last lunar mineral comes down to Earth

Birger Rasmussen, Ian R. Fletcher, Courtney J. Gregory, Janet R. Muhling, Alexandra A. Suvorova
Published: 01 January 2012
Geology (2012) 40 (1): 83-86.
DOI: https://doi.org/10.1130/G32525.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Metamorphic replacement of mineral inclusions in detrital zircon from Jack Hills, Australia: Implications for the Hadean Earth

Birger Rasmussen, Ian R. Fletcher, Janet R. Muhling, Courtney J. Gregory, Simon A. Wilde
Published: 01 December 2011
Geology (2011) 39 (12): 1143-1146.
DOI: https://doi.org/10.1130/G32554.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Dating sedimentary rocks using in situ U-Pb geochronology of syneruptive zircon in ash-fall tuffs <1 mm thick

Birger Rasmussen, Ian R. Fletcher
Published: 01 April 2010
Geology (2010) 38 (4): 299-302.
DOI: https://doi.org/10.1130/G30567.1
FIGURES | View All (5)
PDF
Purchase
Add to Citation Manager
Journal Article

Evidence for microbial life in synsedimentary cavities from 2.75 Ga terrestrial environments

Birger Rasmussen, Tim S. Blake, Ian R. Fletcher, Matt R. Kilburn
Published: 01 May 2009
Geology (2009) 37 (5): 423-426.
DOI: https://doi.org/10.1130/G25300A.1
FIGURES | View All (5)
PDF
Purchase
Add to Citation Manager
Journal Article

Bushveld-aged fluid flow, peak metamorphism, and gold mobilization in the Witwatersrand basin, South Africa: Constraints from in situ SHRIMP U-Pb dating of monazite and xenotime

Birger Rasmussen, Ian R. Fletcher, Janet R. Muhling, Andreas G. Mueller, Greg C. Hall
Published: 01 October 2007
Geology (2007) 35 (10): 931-934.
DOI: https://doi.org/10.1130/G23588A.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Testing ore deposit models using in situ U-Pb geochronology of hydrothermal monazite: Paleoproterozoic gold mineralization in northern Australia

Birger Rasmussen, Stephen Sheppard, Ian R. Fletcher
Published: 01 February 2006
Geology (2006) 34 (2): 77-80.
DOI: https://doi.org/10.1130/G22058.1
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager
Journal Article

Isotopic dating of the migration of a low-grade metamorphic front during orogenesis

Birger Rasmussen, Ian R. Fletcher, Stephen Sheppard
Published: 01 October 2005
Geology (2005) 33 (10): 773-776.
DOI: https://doi.org/10.1130/G21666.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

U-Pb zircon age constraints on the Hamersley spherule beds: Evidence for a single 2.63 Ga Jeerinah-Carawine impact ejecta layer

Birger Rasmussen, Tim S. Blake, Ian R. Fletcher
Published: 01 September 2005
Geology (2005) 33 (9): 725-728.
DOI: https://doi.org/10.1130/G21616.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Evidence for pervasive petroleum generation and migration in 3.2 and 2.63 Ga shales

Birger Rasmussen
Published: 01 June 2005
Geology (2005) 33 (6): 497-500.
DOI: https://doi.org/10.1130/G21316.1
FIGURES | View All (5)
PDF
Purchase
Add to Citation Manager
Journal Article

Iridium anomalies and shocked quartz in a Late Archean spherule layer from the Pilbara Craton: New evidence for a major asteroid impact at 2.63 Ga: Comment and Reply: REPLY

Birger Rasmussen, Christian Koeberl
Published: 01 January 2005
Geology (2005) 33 (1): e85.
DOI: https://doi.org/10.1130/0091-7613-33.1.e85
PDF
Add to Citation Manager
Journal Article

Iridium anomalies and shocked quartz in a Late Archean spherule layer from the Pilbara craton: New evidence for a major asteroid impact at 2.63 Ga

Birger Rasmussen, Christian Koeberl
Published: 01 December 2004
Geology (2004) 32 (12): 1029-1032.
DOI: https://doi.org/10.1130/G20825.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Zirconolite: A new U-Pb chronometer for mafic igneous rocks

Birger Rasmussen, Ian R. Fletcher
Published: 01 September 2004
Geology (2004) 32 (9): 785-788.
DOI: https://doi.org/10.1130/G20658.1
FIGURES
PDF
Purchase
Add to Citation Manager
Journal Article

Obtaining diagenetic ages from metamorphosed sedimentary rocks: U-Pb dating of unusually coarse xenotime cement in phosphatic sandstone

Daniela Vallini, Birger Rasmussen, Bryan Krapež, Ian R. Fletcher, Neal J. McNaughton
Published: 01 December 2002
Geology (2002) 30 (12): 1083-1086.
DOI: https://doi.org/10.1130/0091-7613(2002)030<1083:ODAFMS>2.0.CO;2
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager
Journal Article

1.6 Ga U-Pb zircon age for the Chorhat Sandstone, lower Vindhyan, India: Possible implications for early evolution of animals

Birger Rasmussen, Pradip K. Bose, Subir Sarkar, Santanu Banerjee, Ian R. Fletcher, Neal J. McNaughton
Published: 01 February 2002
Geology (2002) 30 (2): 103-106.
DOI: https://doi.org/10.1130/0091-7613(2002)030<0103:GUPZAF>2.0.CO;2
FIGURES | View All (4)
PDF
Purchase
Add to Citation Manager