Skip Nav Destination
Close Modal
![]()
![]()
![]()
Update search
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
Filter
- Abstract
- Affiliation
- All
- Authors
- Book Series
- DOI
- EISBN
- EISSN
- Full Text
- GeoRef ID
- ISBN
- ISSN
- Issue
- Keyword (GeoRef Descriptor)
- Meeting Information
- Report #
- Title
- Volume
NARROW
Format
Article Type
Journal
Publisher
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Ethiopia (1)
-
-
-
-
elements, isotopes
-
carbon
-
C-13 (1)
-
C-13/C-12 (1)
-
-
isotope ratios (1)
-
isotopes
-
stable isotopes
-
C-13 (1)
-
C-13/C-12 (1)
-
N-15/N-14 (1)
-
-
-
nitrogen
-
N-15/N-14 (1)
-
-
-
fossils
-
bacteria (1)
-
-
geochronology methods
-
tree rings (1)
-
-
geologic age
-
Cenozoic
-
Tertiary
-
Paleogene
-
Oligocene
-
upper Oligocene (1)
-
-
-
-
-
-
Primary terms
-
Africa
-
East Africa
-
Ethiopia (1)
-
-
-
bacteria (1)
-
carbon
-
C-13 (1)
-
C-13/C-12 (1)
-
-
Cenozoic
-
Tertiary
-
Paleogene
-
Oligocene
-
upper Oligocene (1)
-
-
-
-
-
geochemistry (1)
-
isotopes
-
stable isotopes
-
C-13 (1)
-
C-13/C-12 (1)
-
N-15/N-14 (1)
-
-
-
nitrogen
-
N-15/N-14 (1)
-
-
paleoecology (1)
-
GeoRef Categories
Era and Period
Epoch and Age
Date
Availability
1-1 OF 1
Results shown limited to content with bounding coordinates.
Kaylee Richards
Close
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Sort by
Journal Article
Nitrogen-fixing symbiosis inferred from stable isotope analysis of fossil tree rings from the Oligocene of Ethiopia
Erik L. Gulbranson, Bonnie F. Jacobs, William C. Hockaday, Michael C. Wiemann, Lauren A. Michel, Kaylee Richards, John W. Kappelman
Journal: Geology
Publisher: Geological Society of America
Published: 19 May 2017
Geology (2017) 45 (8): 687–690.
FIGURES
