Class information for:
Level 1: BANDED IRON FORMATION//GREAT OXIDATION EVENT//BIF

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
5479 1619 60.6 56%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
0 3       GEOCHEMISTRY & GEOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY//GEOLOGY 255672
51 2             PRECAMBRIAN RESEARCH//GEOSCIENCES, MULTIDISCIPLINARY//NEOPROTEROZOIC 30061
5479 1                   BANDED IRON FORMATION//GREAT OXIDATION EVENT//BIF 1619

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 BANDED IRON FORMATION authKW 957013 6% 50% 101
2 GREAT OXIDATION EVENT authKW 481276 2% 73% 35
3 BIF authKW 247786 2% 45% 29
4 PRECAMBRIAN RESEARCH journal 194831 13% 5% 203
5 PALEOPROTEROZOIC authKW 194666 5% 13% 77
6 HAMERSLEY PROVINCE authKW 193974 1% 86% 12
7 MASS INDEPENDENT FRACTIONATION authKW 190137 1% 46% 22
8 ASTROBIOL PROGRAM address 149734 2% 26% 31
9 ITABIRITE authKW 145064 1% 77% 10
10 IRON FORMATION authKW 142079 1% 42% 18

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Geosciences, Multidisciplinary 25274 46% 0% 742
2 Geochemistry & Geophysics 21929 32% 0% 526
3 Geology 17856 15% 0% 239
4 Mineralogy 5729 9% 0% 139
5 Mining & Mineral Processing 1110 3% 0% 45
6 Biology 816 7% 0% 113
7 Paleontology 269 2% 0% 31
8 Meteorology & Atmospheric Sciences 141 3% 0% 54
9 Geography, Physical 76 1% 0% 23
10 Astronomy & Astrophysics 75 4% 0% 70

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ASTROBIOL PROGRAM 149734 2% 26% 31
2 PALEOPROTEROZO MINERALIZAT GRP 76050 1% 37% 11
3 COMPLEX SCI ENGR 42431 0% 75% 3
4 HTTC 42431 0% 75% 3
5 GEOL EXPLORAT 39929 0% 35% 6
6 ARCT GAS HYDRATE ENVIRONM CLIMATE 37718 0% 100% 2
7 GEOL TEAM 5 37718 0% 100% 2
8 MINERAL SYST STUDIES 37718 0% 100% 2
9 PLANETARY EARTH SCI 37718 0% 100% 2
10 EARTH LIFE SCI WPI ELSI 37714 0% 50% 4

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PRECAMBRIAN RESEARCH 194831 13% 5% 203
2 GEOBIOLOGY 48469 2% 7% 35
3 EARTH AND PLANETARY SCIENCE LETTERS 13752 6% 1% 97
4 GEOCHIMICA ET COSMOCHIMICA ACTA 11308 5% 1% 88
5 GEOLOGY 10716 5% 1% 75
6 CHEMICAL GEOLOGY 9270 4% 1% 61
7 ASTROBIOLOGY 8723 1% 2% 21
8 ORE GEOLOGY REVIEWS 8224 2% 2% 27
9 GEOCHIMICA 7135 0% 6% 6
10 AUSTRALIAN JOURNAL OF EARTH SCIENCES 6931 2% 1% 26

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 BANDED IRON FORMATION 957013 6% 50% 101 Search BANDED+IRON+FORMATION Search BANDED+IRON+FORMATION
2 GREAT OXIDATION EVENT 481276 2% 73% 35 Search GREAT+OXIDATION+EVENT Search GREAT+OXIDATION+EVENT
3 BIF 247786 2% 45% 29 Search BIF Search BIF
4 PALEOPROTEROZOIC 194666 5% 13% 77 Search PALEOPROTEROZOIC Search PALEOPROTEROZOIC
5 HAMERSLEY PROVINCE 193974 1% 86% 12 Search HAMERSLEY+PROVINCE Search HAMERSLEY+PROVINCE
6 MASS INDEPENDENT FRACTIONATION 190137 1% 46% 22 Search MASS+INDEPENDENT+FRACTIONATION Search MASS+INDEPENDENT+FRACTIONATION
7 ITABIRITE 145064 1% 77% 10 Search ITABIRITE Search ITABIRITE
8 IRON FORMATION 142079 1% 42% 18 Search IRON+FORMATION Search IRON+FORMATION
9 SAUSAR GROUP 134106 0% 89% 8 Search SAUSAR+GROUP Search SAUSAR+GROUP
10 HIGH GRADE IRON ORE 132012 0% 100% 7 Search HIGH+GRADE+IRON+ORE Search HIGH+GRADE+IRON+ORE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref. in
cl.		 Shr. of ref. in
cl.		 Citations
1 LYONS, TW , REINHARD, CT , PLANAVSKY, NJ , (2014) THE RISE OF OXYGEN IN EARTH'S EARLY OCEAN AND ATMOSPHERE.NATURE. VOL. 506. ISSUE 7488. P. 307-315 63 67% 220
2 HAUGAARD, R , PECOITS, E , LALONDE, S , ROUXEL, O , KONHAUSER, K , (2016) THE JOFFRE BANDED IRON FORMATION, HAMERSLEY GROUP, WESTERN AUSTRALIA: ASSESSING THE PALAEOENVIRONMENT THROUGH DETAILED PETROLOGY AND CHEMOSTRATIGRAPHY.PRECAMBRIAN RESEARCH. VOL. 273. ISSUE . P. 12 -37 64 76% 3
3 BEKKER, A , SLACK, JF , PLANAVSKY, N , KRAPEZ, B , HOFMANN, A , KONHAUSER, KO , ROUXEL, OJ , (2010) IRON FORMATION: THE SEDIMENTARY PRODUCT OF A COMPLEX INTERPLAY AMONG MANTLE, TECTONIC, OCEANIC, AND BIOSPHERIC PROCESSES.ECONOMIC GEOLOGY. VOL. 105. ISSUE 3. P. 467 -508 104 40% 210
4 IZON, G , ZERKLE, AL , ZHELEZINSKAIA, I , FARQUHAR, J , NEWTON, RJ , POULTON, SW , EIGENBRODE, JL , CLAIRE, MW , (2015) MULTIPLE OSCILLATIONS IN NEOARCHAEAN ATMOSPHERIC CHEMISTRY.EARTH AND PLANETARY SCIENCE LETTERS. VOL. 431. ISSUE . P. 264 -273 56 89% 7
5 MURAKAMI, T , SREENIVAS, B , DAS SHARMA, S , SUGIMORI, H , (2011) QUANTIFICATION OF ATMOSPHERIC OXYGEN LEVELS DURING THE PALEOPROTEROZOIC USING PALEOSOL COMPOSITIONS AND IRON OXIDATION KINETICS.GEOCHIMICA ET COSMOCHIMICA ACTA. VOL. 75. ISSUE 14. P. 3982-4004 70 77% 12
6 FARQUHAR, J , ZERKLE, AL , BEKKER, A , (2011) GEOLOGICAL CONSTRAINTS ON THE ORIGIN OF OXYGENIC PHOTOSYNTHESIS.PHOTOSYNTHESIS RESEARCH. VOL. 107. ISSUE 1. P. 11 -36 84 56% 56
7 HOFFMAN, PF , (2013) THE GREAT OXIDATION AND A SIDERIAN SNOWBALL EARTH: MIF-S BASED CORRELATION OF PALEOPROTEROZOIC GLACIAL EPOCHS.CHEMICAL GEOLOGY. VOL. 362. ISSUE . P. 143 -156 75 63% 19
8 FRALICK, P , RIDING, R , (2015) STEEP ROCK LAKE: SEDIMENTOLOGY AND GEOCHEMISTRY OF AN ARCHEAN CARBONATE PLATFORM.EARTH-SCIENCE REVIEWS. VOL. 151. ISSUE . P. 132 -175 99 48% 3
9 PECOITS, E , SMITH, ML , CATLING, DC , PHILIPPOT, P , KAPPLER, A , KONHAUSER, KO , (2015) ATMOSPHERIC HYDROGEN PEROXIDE AND EOARCHEAN IRON FORMATIONS.GEOBIOLOGY. VOL. 13. ISSUE 1. P. 1 -14 64 61% 13
10 CLAIRE, MW , KASTING, JF , DOMAGAL-GOLDMAN, SD , STUEKEN, EE , BUICK, R , MEADOWS, VS , (2014) MODELING THE SIGNATURE OF SULFUR MASS-INDEPENDENT FRACTIONATION PRODUCED IN THE ARCHEAN ATMOSPHERE.GEOCHIMICA ET COSMOCHIMICA ACTA. VOL. 141. ISSUE . P. 365 -380 56 79% 9

Classes with closest relation at Level 1


Rank Class id link
1 10697 LIMPOPO BELT//KAAPVAAL CRATON//WITWATERSRAND
2 11682 STROMATOLITES//MICROBIALITES//STUDY EVOLUT ORIGIN LIFE
3 1406 EDIACARAN//NEOPROTEROZOIC//DOUSHANTUO FORMATION
4 19489 IRON OXIDIZING BACTERIA//GALLIONELLA//ZETAPROTEOBACTERIA
5 10666 HADEAN//JACK HILLS//EOARCHEAN
6 15492 MOLYBDENUM ISOTOPES//BLACK SHALE//MO ISOTOPES
7 24011 BUDDINGTONITE//TOBELITE//AMMONIUM ILLITE
8 15921 ASTRON GEOSCI//PYROXENOID//COTICULES
9 7244 SULFUR ISOTOPES//GEOBIOL ISOTOPE//PYRITE
10 24538 DAISYWORLD//GAIA THEORY//GAIA HYPOTHESIS

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