Skip Nav Destination
Close Modal
RESULTS FOR
Johnstown Meteorite
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
Section
GeoRef Subject
-
all geography including DSDP/ODP Sites and Legs
-
Africa
-
East Africa
-
Ethiopia (1)
-
-
-
Antarctica (1)
-
Asia
-
Sri Lanka (1)
-
-
Commonwealth of Independent States
-
Russian Federation
-
Ural region (1)
-
-
-
South America
-
Brazil
-
Parana Brazil (1)
-
-
Parana Basin (1)
-
-
-
commodities
-
gems (1)
-
-
elements, isotopes
-
metals
-
alkaline earth metals
-
beryllium (1)
-
calcium (2)
-
magnesium (6)
-
-
aluminum (1)
-
cobalt (1)
-
iron
-
ferrous iron (3)
-
-
manganese (1)
-
nickel (1)
-
rare earths (1)
-
-
oxygen (1)
-
-
igneous rocks
-
igneous rocks
-
plutonic rocks
-
ultramafics
-
peridotites
-
spinel peridotite (1)
-
-
-
-
volcanic rocks
-
andesites (1)
-
basalts (1)
-
rhyodacites (2)
-
-
-
-
metamorphic rocks
-
metamorphic rocks
-
granulites (1)
-
-
-
meteorites
-
meteorites
-
Pecora Escarpment Meteorites (1)
-
stony meteorites
-
achondrites
-
diogenite (3)
-
Martian meteorites (1)
-
ureilite (1)
-
-
-
-
-
minerals
-
oxides
-
chrome spinel (1)
-
spinel (3)
-
spinel group (2)
-
-
silicates
-
chain silicates
-
amphibole group (1)
-
pyroxene group
-
clinopyroxene
-
augite (2)
-
diopside (1)
-
pigeonite (2)
-
-
orthopyroxene
-
enstatite (1)
-
-
-
wollastonite group
-
pectolite (1)
-
-
-
framework silicates
-
silica minerals
-
cristobalite (1)
-
-
-
orthosilicates
-
nesosilicates
-
garnet group
-
uvarovite (1)
-
-
olivine group
-
olivine (2)
-
-
-
-
sheet silicates (1)
-
-
-
Primary terms
-
Africa
-
East Africa
-
Ethiopia (1)
-
-
-
Antarctica (1)
-
Asia
-
Sri Lanka (1)
-
-
biography (2)
-
crystal chemistry (5)
-
crystal growth (1)
-
crystal structure (12)
-
Earth (1)
-
gems (1)
-
igneous rocks
-
plutonic rocks
-
ultramafics
-
peridotites
-
spinel peridotite (1)
-
-
-
-
volcanic rocks
-
andesites (1)
-
basalts (1)
-
rhyodacites (2)
-
-
-
inclusions (2)
-
intrusions (1)
-
mantle (2)
-
mathematical geology (1)
-
metals
-
alkaline earth metals
-
beryllium (1)
-
calcium (2)
-
magnesium (6)
-
-
aluminum (1)
-
cobalt (1)
-
iron
-
ferrous iron (3)
-
-
manganese (1)
-
nickel (1)
-
rare earths (1)
-
-
metamorphic rocks
-
granulites (1)
-
-
meteorites
-
Pecora Escarpment Meteorites (1)
-
stony meteorites
-
achondrites
-
diogenite (3)
-
Martian meteorites (1)
-
ureilite (1)
-
-
-
-
Moon (1)
-
oxygen (1)
-
planetology (1)
-
South America
-
Brazil
-
Parana Brazil (1)
-
-
Parana Basin (1)
-
-
spectroscopy (1)
-
GeoRef Categories
Book Series
Date
Availability
1-20 OF 45 RESULTS FOR
Johnstown Meteorite
Results shown limited to content with bounding coordinates.
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
1
Journal Article
Time and temperature variation of the intracrystalline Fe 2+ ,Mg fractionation in Johnstown meteoritic orthopyroxene
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 January 2000
European Journal of Mineralogy (2000) 12 (1): 163–176.
...Rolf HEINEMANN; Herbert KROLL; Falko LAGENHORST; Tore LUEDER Abstract The partitioning of Fe 2+ and Mg on the M1 and M2 sites of orthopyroxenes from the Johnstown meteoritic diogenite has been equilibrated between 1000°C and 700°C in ordering and disordering runs. The method of bivariate high order...
Journal Article
Relationship between Guinier-Preston zones and the kinetics of the intracrystalline Fe 2+ , Mg exchange reaction in Johnstown meteoritic orthopyroxene
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 August 2008
European Journal of Mineralogy (2008) 20 (4): 551–561.
...Rolf Heinemann; Herbert Kroll; Falko Langenhorst Abstract The Fe 2+ , Mg order/disorder process in orthopyroxenes from the Johnstown meteoritic diogenite is extremely slow. It is controlled by an activation energy of ≈ 100 kcal/mol, whereas in other orthopyroxenes with similar compositions...
Journal Article
Ca in orthopyroxene : structural variations and kinetics of the disordering process
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 March 2003
European Journal of Mineralogy (2003) 15 (2): 373–380.
... the Johnstown meteorite. The kinetics of cation disordering in orthopyroxene has been studied by Mössbauer spectroscopy ( Virgo & Hafner, 1969 ; Besancon, 1981 ; Anovitz et al. , 1988 ) and by single-crystal X-ray diffraction ( Saxena et al. , 1987 , 1989; Skogby, 1992 ; Sykes-Nord & Molin...
Journal Article
A TEM study of Ca-rich orthopyroxenes with exsolution products : implications for Mg-Fe ordering process
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 July 2000
European Journal of Mineralogy (2000) 12 (4): 735–748.
... et al. (1997) (∼ 63 kcal/mol). Physically unreasonable cooling rates for meteoritic bodies are extracted from the kinetic constants obtained from those experiments. All conflicting results were obtained on orthopyroxene crystals of the Johnstown meteorite. Orthopyroxene from this meteorite has...
Journal Article
Crystal structure of Guinier-Preston zones in orthopyroxene: Z-contrast imaging and ab inito study
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 2014
American Mineralogist (2014) 99 (10): 2043–2048.
... and temperature variation of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 12 , 163 – 176 . Heinemann R. Kroll H. Langenhorst F. ( 2008 ) Relationship between Guinier-Preston zones and the kinetics...
Includes: Supplemental Content
Journal Article
Native metal in diogenite meteorites
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 1976
American Mineralogist (1976) 61 (5-6): 373–378.
...R. Gooley; C. B. Moore Abstract Metal particles in eight of the nine known diogenites have been analyzed for Fe, Co, and Ni by electron microprobe. Those in Shalka, Tatahouine, Garland, and the majority in Ellemeet contain less than 1.5 weight percent Ni. The metal in Johnstown ranges from 2.5...
Journal Article
Kinetics of cation ordering in synthetic MgAl 2 O 4 spinel
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2002
American Mineralogist (2002) 87 (7): 838–844.
... of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 12 , 163 – 176 . Kroll , H. , Lueder , T. , Schlenz , H. , Kirfel , A. , and Vad , T. ( 1997 ) The Fe 2+ , Mg distribution in orthopyroxene: a critical assessment of its...
Journal Article
Isothermal annealing and continuous cooling experiments on synthetic orthopyroxenes : temperature and time evolution of the Fe, Mg distribution
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 July 2001
European Journal of Mineralogy (2001) 13 (4): 715–726.
... predict frozen states of order from independently determined functions K D (T) and k dis (T), thereby supporting results obtained by Heinemann et al. (2000) on orthopyroxenes from the Johnstown meteorite. Fig. 6. Ordering path of bronzite crystal BNZ2ST-2: variation of X̄ Fe M2 with time...
Journal Article
The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn 0.54 Ca 0.03 Mg 1.43 Si 2 O 6 ) and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2005
American Mineralogist (2005) 90 (1): 155–161.
... and temperature variation of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 12 , 163 – 176 . Kroll , H. , Lueder , T. , Schlenz , H. , Kirfel , A. , and Vad , T. ( 1997 ) The Fe 2+ , Mg distribution...
Journal Article
Kinetics of Fe 2+ -Mg order-disorder in P 2 1 / c pigeonite
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2005
American Mineralogist (2005) 90 (11-12): 1816–1823.
... and temperature variation of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 12 , 163 – 176 . Ibers , J.A. and Hamilton , W.C. , Eds. ( 1974 ) International Tables for X-ray Crystallography , vol. 4 , pp. 99 – 101...
Journal Article
The composition of KLB-1 peridotite
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2009
American Mineralogist (2009) 94 (1): 176–180.
...) . § Supplied by Ian Steele, University of Chicago. Asbestos microcline† K 2 O (all phases) Black Rock Summit chromium augite‡ SiO 2 (cpx), Al 2 O 3 (ol, cpx, opx), FeO* (cpx), MgO (cpx), Ca (ol, cpx, opx, spn) Corundum Al 2 O 3 (spn) Johnstown Meteorite hypersthene SiO 2 (opx), FeO...
Journal Article
Single-crystal thermometric calibration of Fe-Mg order-disorder in pigeonites
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2000
American Mineralogist (2000) 85 (7-8): 953–962.
... . European Journal of Mineralogy , 3 , 863 – 875 . Molin , G.M. , Saxena , S.K. , and Brizi , E. ( 1991 ) Iron-magnesium order-disorder in an orthopyroxene crystal from the Johnstown meteorite . Earth and Planetary Science Letters , 105 , 260 – 265 . Morimoto , N...
Journal Article
Ordering kinetics in synthetic Mg(Al,Fe 3+ ) 2 O 4 spinels: Quantitative elucidation of the whole Al-Mg-Fe partitioning, rate constants, activation energies
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 November 2014
American Mineralogist (2014) 99 (11-12): 2203–2210.
... of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 12 , 163 – 176 . Irvine T.N. ( 1965 ) Chromian spinel as a petrogenetic indicator . Canadian Journal of Earth Sciences , 2 , 648 – 672 . Lavina B. Salviulo G. Della...
Journal Article
Cristobalite inclusions in the Tatahouine achondrite: Implications for shock conditions
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 2002
American Mineralogist (2002) 87 (8-9): 1250–1256.
... in orthopyroxenes, locally in symplectic association with chromites, or associated with metal, have been characterized for the first time in a diogenite. Mosaicism of the orthopyroxenes indicates shock effects in the meteorite. The shock history of the meteorite must be consistent with the presence of vein-like...
Journal Article
Ordering state in orthopyroxene as determined by precession electron diffraction
Damien Jacob, Lukas Palatinus, Priscille Cuvillier, Hugues Leroux, Chiara Domeneghetti, Fernando Cámara
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 2013
American Mineralogist (2013) 98 (8-9): 1526–1534.
... R. Kroll H. Langenhorst F. ( 2008 ) Relationship between Guinier-Preston zones and the kinetics of the intracrystalline Fe 2+ , Mg exchange reaction in Johnstown meteoritic orthopyroxene . European Journal of Mineralogy , 20 , 551 – 561 . Ibers J.A. Hamilton W.C. ( 1974...
Journal Article
Book Reviews, Interesting Publications, Notes on Contributors, Guidelines for Authors, HESS matters, Erratum (v27 #1 p.8)
Journal: Earth Sciences History
Publisher: History of Earth Sciences Society
Published: 01 April 2008
Earth Sciences History (2008) 27 (1): 136–150.
... descriptions it provides, but the many geological gems that are found within will keep the interest of any earth scientist. The translators have brought the English reader a really good story—that happens to be true. William R. Brice, Geology & Planetary Science, University of Pittsburgh at Johnstown...
Journal Article
Book Reviews, Essay Review, Interesting Publications, Treasurer’s Report, Notes on Contributors, HESS Officers, Forthcoming Articles
Journal: Earth Sciences History
Publisher: History of Earth Sciences Society
Published: 01 October 2001
Earth Sciences History (2001) 20 (2): 196–228.
... and humorous, making this story easy to digest, a “page-turner” as one colleague called it. This combination should make Kalb’s book a great read for scientists and layman alike. Most of the information in the catalogue is gleaned from The Meteoritical Bulletin , which is the internationally recognized...
Journal Article
Behavior of Beryllium During Solar System and Planetary Evolution: Evidence from Planetary Materials
Publisher: Mineralogical Society of America
Published: 01 January 2002
Reviews in Mineralogy and Geochemistry (2002) 50 (1): 77–120.
... reduced pyroxenite) and three HED meteorites (Johnstown, Pasamonte, and Sioux County). Of the HED meteorites, Johnstown is diogenite (orthopyroxenite), whereas Pasamonte, and Sioux County are unequilibrated and equilibrated eucrites (basalts), respectively. The two pyroxenites have low Be (6–13 ppb...
Journal Article
Experimental study of intracrystalline Fe 2+ -Mg exchange in three augite crystals: Effect of composition on geothermometric calibration
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 2000
American Mineralogist (2000) 85 (10): 1375–1382.
... crystal from the Johnstown meteorite . Earth and Planetary Science of Letters , 105 , 260 – 265 . North , A.C.T. , Phillips , D.C. , and Mathews , F.S. ( 1968 ) A semi-empirical method of absorption correction . Acta Crystallographica , A24 , 351 – 359 . Papike , J.J...
Journal Article
2. THERMODYNAMICS AND THE KINETICS OF THERMOBAROMETRY: OVERVIEW
Journal: Geochemical Perspectives
Publisher: European Association for Geochemistry
Published: 01 April 2021
Geochemical Perspectives (2021) 10 (1): 31–40.
.... A study of the transformation of rock masses . Methuen, London . Heinemann , R. , Kroll , H. , Langenhorst , F. , Leuder , T. ( 2000 ) Time and temperature variation of the intracrystalline Fe 2+ , Mg fractionation in Johnstown meteoritic orthopyroxene . European Journal...
1