Class information for:
Level 1: NONTRONITE//NAU 2//CLAYS AND CLAY MINERALS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
18101 566 32.4 47%


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
12 4 POLYMER SCIENCE//MATERIALS SCIENCE, PAPER & WOOD//CHEMISTRY, PHYSICAL 1084170
362 3       MONTMORILLONITE//CLAYS AND CLAY MINERALS//ORGANOCLAY 34466
688 2             CLAYS AND CLAY MINERALS//CLAY MINERALS//APPLIED CLAY SCIENCE 13112
18101 1                   NONTRONITE//NAU 2//CLAYS AND CLAY MINERALS 566

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 NONTRONITE authKW 966717 8% 40% 45
2 NAU 2 authKW 269741 1% 100% 5
3 CLAYS AND CLAY MINERALS journal 197425 17% 4% 96
4 FERRUGINOUS SMECTITE authKW 176552 1% 55% 6
5 NAU 1 authKW 161845 1% 100% 3
6 STRUCTURAL FE authKW 161845 1% 100% 3
7 MICROBIAL FEIII REDUCTION authKW 112386 1% 42% 5
8 CATION MASS authKW 107896 0% 100% 2
9 CHEMICAL STRUCTURAL MODIFICATION authKW 107896 0% 100% 2
10 CMS CLAY SWA 1 authKW 107896 0% 100% 2

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 Mineralogy 42191 39% 0% 219
2 Soil Science 7180 21% 0% 121
3 Geosciences, Multidisciplinary 4342 33% 0% 184
4 Chemistry, Physical 1892 39% 0% 222
5 Geochemistry & Geophysics 713 10% 0% 59
6 Physics, Nuclear 675 11% 0% 62
7 Physics, Atomic, Molecular & Chemical 407 12% 0% 66
8 Engineering, Environmental 304 6% 0% 36
9 Physics, Condensed Matter 201 12% 0% 67
10 Environmental Sciences 127 9% 0% 51

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 SOYBEAN 372 107896 0% 100% 2
2 CLAY MINERAL GRP 71930 0% 67% 2
3 CNRS UMR CINAM 7325 71930 0% 67% 2
4 SEAFLOOR SCI BRANCH 62928 1% 17% 7
5 GEOL ENVIRONM EARTH SCI 59767 3% 7% 15
6 HYDRASA 59566 2% 8% 13
7 AMAZON NAT OURCES ENGN DEV PROGRAM PRODERNA 53948 0% 100% 1
8 CHAIR GEOTECH ENVIRONM GEOL 53948 0% 100% 1
9 CNRS GEOMATLMTGUPSIRD 53948 0% 100% 1
10 ENAC LPE 53948 0% 100% 1

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 CLAYS AND CLAY MINERALS 197425 17% 4% 96
2 CLAY MINERALS 86344 9% 3% 53
3 HYPERFINE INTERACTIONS 25032 11% 1% 60
4 APPLIED CLAY SCIENCE 6010 4% 1% 20
5 PHYSICS AND CHEMISTRY OF MINERALS 2517 2% 0% 11
6 ENVIRONMENTAL SCIENCE & TECHNOLOGY 2164 6% 0% 34
7 SILIKATY 1928 1% 1% 3
8 ATOMIC ENERGY REVIEW 1539 0% 3% 1
9 EUROPEAN JOURNAL OF MINERALOGY 1369 1% 0% 8
10 AMERICAN MINERALOGIST 1343 2% 0% 13

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 NONTRONITE 966717 8% 40% 45 Search NONTRONITE Search NONTRONITE
2 NAU 2 269741 1% 100% 5 Search NAU+2 Search NAU+2
3 FERRUGINOUS SMECTITE 176552 1% 55% 6 Search FERRUGINOUS+SMECTITE Search FERRUGINOUS+SMECTITE
4 NAU 1 161845 1% 100% 3 Search NAU+1 Search NAU+1
5 STRUCTURAL FE 161845 1% 100% 3 Search STRUCTURAL+FE Search STRUCTURAL+FE
6 MICROBIAL FEIII REDUCTION 112386 1% 42% 5 Search MICROBIAL+FEIII+REDUCTION Search MICROBIAL+FEIII+REDUCTION
7 CATION MASS 107896 0% 100% 2 Search CATION+MASS Search CATION+MASS
8 CHEMICAL STRUCTURAL MODIFICATION 107896 0% 100% 2 Search CHEMICAL+STRUCTURAL+MODIFICATION Search CHEMICAL+STRUCTURAL+MODIFICATION
9 CMS CLAY SWA 1 107896 0% 100% 2 Search CMS+CLAY+SWA+1 Search CMS+CLAY+SWA+1
10 CRYSTAL CHEMICAL MODEL 107896 0% 100% 2 Search CRYSTAL+CHEMICAL+MODEL Search CRYSTAL+CHEMICAL+MODEL

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 PENTRAKOVA, L , SU, K , PENTRAK, M , STUCK, JW , (2013) A REVIEW OF MICROBIAL REDOX INTERACTIONS WITH STRUCTURAL FE IN CLAY MINERALS.CLAY MINERALS. VOL. 48. ISSUE 3. P. 543 -560 61 70% 14
2 STUCKI, JW , (2011) A REVIEW OF THE EFFECTS OF IRON REDOX CYCLES ON SMECTITE PROPERTIES.COMPTES RENDUS GEOSCIENCE. VOL. 343. ISSUE 2-3. P. 199 -209 36 100% 25
3 HADI, J , TOURNASSAT, C , IGNATIADIS, I , GRENECHE, JM , CHARLET, L , (2013) MODELLING CEC VARIATIONS VERSUS STRUCTURAL IRON REDUCTION LEVELS IN DIOCTAHEDRAL SMECTITES. EXISTING APPROACHES, NEW DATA AND MODEL REFINEMENTS.JOURNAL OF COLLOID AND INTERFACE SCIENCE. VOL. 407. ISSUE . P. 397-409 41 79% 3
4 STUCKI, JW , SU, K , PENTRAKOVA, L , PENTRAK, M , (2014) METHODS FOR HANDLING REDOX-SENSITIVE SMECTITE DISPERSIONS.CLAY MINERALS. VOL. 49. ISSUE 3. P. 359 -377 31 84% 3
5 NEUMANN, A , OLSON, TL , SCHERER, MM , (2013) SPECTROSCOPIC EVIDENCE FOR FE(II)-FE(III) ELECTRON TRANSFER AT CLAY MINERAL EDGE AND BASAL SITES.ENVIRONMENTAL SCIENCE & TECHNOLOGY. VOL. 47. ISSUE 13. P. 6969 -6977 38 60% 23
6 STUCKI, JW , KOSTKA, JE , (2006) MICROBIAL REDUCTION OF IRON IN SMECTITE.COMPTES RENDUS GEOSCIENCE. VOL. 338. ISSUE 6-7. P. 468 -475 31 86% 52
7 STUCKI, JW , LEE, K , ZHANG, LZ , LARSON, RA , (2002) EFFECTS OF IRON OXIDATION STATE ON THE SURFACE AND STRUCTURAL PROPERTIES OF SMECTITES.PURE AND APPLIED CHEMISTRY. VOL. 74. ISSUE 11. P. 2145-2158 36 86% 43
8 MUELLER, B , (2015) EXPERIMENTAL INTERACTIONS BETWEEN CLAY MINERALS AND BACTERIA: A REVIEW.PEDOSPHERE. VOL. 25. ISSUE 6. P. 799 -810 31 72% 2
9 BARON, F , PETIT, S , TERTRE, E , DECARREAU, A , (2016) INFLUENCE OF AQUEOUS SI AND FE SPECIATION ON TETRAHEDRAL FE(III) SUBSTITUTIONS IN NONTRONITES: A CLAY SYNTHESIS APPROACH.CLAYS AND CLAY MINERALS. VOL. 64. ISSUE 3. P. 230 -244 31 66% 1
10 MEROLA, RB , MCGUIRE, MM , (2009) CRYSTALLOGRAPHIC SITE DISTRIBUTION AND REDOX ACTIVITY OF FE IN NONTRONITES DETERMINED BY OPTICAL SPECTROSCOPY.CLAYS AND CLAY MINERALS. VOL. 57. ISSUE 6. P. 771-778 29 83% 2

Classes with closest relation at Level 1


Rank Class id link
1 10510 TRIOCTAHEDRAL MICA//AMERICAN MINERALOGIST//CRONSTEDTITE
2 26832 SLIDING MUD//SULFURIZED RUST//PYROPHORIC IRON SULFIDE
3 6481 FEIII REDUCTION//GUANGDONG AGR ENVIRONM POLLUT INTEGRATED//DISSIMILATORY FEIII REDUCTION
4 9017 CLAYS AND CLAY MINERALS//CRYSTALLINE SWELLING//MONTMORILLONITE
5 3492 ILLITE SMECTITE//CLAYS AND CLAY MINERALS//ILLITE
6 18075 ENVIRONM GEOCHEM GRP//ATTENDANT ANIONS//SEPIOLITE FALCONDOITE
7 14084 ACID ACTIVATION//SPENT BLEACHING CLAY//BLEACHING EARTH
8 5496 FERRIHYDRITE//GOETHITE//HEMATITE
9 11142 COMPACTED BENTONITE//BENTONITE//BENTONITE BUFFER
10 19489 IRON OXIDIZING BACTERIA//GALLIONELLA//ZETAPROTEOBACTERIA

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