Class information for:
Level 1: INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL PETROLOGY//MACERALS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
14717 754 47.1 29%


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
13 4 ZOOLOGY//MARINE & FRESHWATER BIOLOGY//FISHERIES 1013533
232 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//GEOLOGY 48747
1830 2             REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PALEONTOLOGY//PALEOBOT 6187
14717 1                   INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL PETROLOGY//MACERALS 754

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 INTERNATIONAL JOURNAL OF COAL GEOLOGY journal 1316654 37% 12% 282
2 COAL PETROLOGY authKW 414893 3% 41% 25
3 MACERALS authKW 339966 6% 18% 46
4 COAL PETROGRAPHY authKW 262602 3% 31% 21
5 INERTINITE authKW 215960 2% 33% 16
6 MICROLITHOTYPE authKW 204158 1% 46% 11
7 FUSAIN authKW 152634 1% 54% 7
8 FUNGINITE authKW 144627 1% 71% 5
9 COAL FACIES authKW 134975 1% 33% 10
10 LATROBE VALLEY authKW 129587 1% 80% 4

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 24267 65% 0% 492
2 Energy & Fuels 15323 45% 0% 343
3 Paleontology 4767 11% 0% 82
4 Geology 4360 11% 0% 81
5 Geography, Physical 1140 7% 0% 51
6 Mining & Mineral Processing 572 3% 0% 22
7 Engineering, Petroleum 305 2% 0% 16
8 Geochemistry & Geophysics 187 5% 0% 38
9 Engineering, Chemical 55 5% 0% 38
10 Archaeology 42 1% 0% 7

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 PPGAD 92560 1% 57% 4
2 PALAEOFIRE 80993 0% 100% 2
3 COAL ORGAN PETROL 80985 1% 33% 6
4 SENCKENBERG HUMAN EVOLUT PALAEOENVIRONM 68192 1% 21% 8
5 ENVIRONM WASTE MANAGEMENT 52063 0% 43% 3
6 ENVIRONM PL GEOL 46276 1% 29% 4
7 913 40496 0% 100% 1
8 ABT MARK EIDEWESEN LAGERSTATTE 40496 0% 100% 1
9 AMTSTEIL FREIBERG 40496 0% 100% 1
10 BEREICH TAGEBAUE 40496 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 INTERNATIONAL JOURNAL OF COAL GEOLOGY 1316654 37% 12% 282
2 ZEITSCHRIFT FUR ANGEWANDTE GEOLOGIE 23491 2% 5% 12
3 PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 8423 5% 1% 40
4 JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA 8412 4% 1% 29
5 ZEITSCHRIFT FUR GEOLOGISCHE WISSENSCHAFTEN 5656 1% 2% 7
6 JOURNAL OF THE SOUTH AFRICAN INSTITUTE OF MINING AND METALLURGY 4651 1% 1% 10
7 GOSPODARKA SUROWCAMI MINERALNYMI-MINERAL RESOURCES MANAGEMENT 4328 1% 2% 7
8 ORGANIC GEOCHEMISTRY 3976 3% 0% 20
9 ZEITSCHRIFT DER DEUTSCHEN GESELLSCHAFT FUR GEOWISSENSCHAFTEN 3164 1% 2% 5
10 BULLETIN OF THE POLISH ACADEMY OF SCIENCES-EARTH SCIENCES 2129 0% 5% 1

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 COAL PETROLOGY 414893 3% 41% 25 Search COAL+PETROLOGY Search COAL+PETROLOGY
2 MACERALS 339966 6% 18% 46 Search MACERALS Search MACERALS
3 COAL PETROGRAPHY 262602 3% 31% 21 Search COAL+PETROGRAPHY Search COAL+PETROGRAPHY
4 INERTINITE 215960 2% 33% 16 Search INERTINITE Search INERTINITE
5 MICROLITHOTYPE 204158 1% 46% 11 Search MICROLITHOTYPE Search MICROLITHOTYPE
6 FUSAIN 152634 1% 54% 7 Search FUSAIN Search FUSAIN
7 FUNGINITE 144627 1% 71% 5 Search FUNGINITE Search FUNGINITE
8 COAL FACIES 134975 1% 33% 10 Search COAL+FACIES Search COAL+FACIES
9 LATROBE VALLEY 129587 1% 80% 4 Search LATROBE+VALLEY Search LATROBE+VALLEY
10 MACRINITE 126548 1% 63% 5 Search MACRINITE Search MACRINITE

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 SEN, S , NASKAR, S , DAS, S , (2016) DISCUSSION ON THE CONCEPTS IN PALEOENVIRONMENTAL RECONSTRUCTION FROM COAL MACERALS AND PETROGRAPHIC INDICES.MARINE AND PETROLEUM GEOLOGY. VOL. 73. ISSUE . P. 371 -391 43 62% 1
2 JASPER, A , GUERRA-SOMMER, M , ABU HAMAD, AMB , BAMFORD, M , BERNARDES-DE-OLIVEIRA, MEC , TEWARI, R , UHL, D , (2013) THE BURNING OF GONDWANA: PERMIAN FIRES ON THE SOUTHERN CONTINENT-A PALAEOBOTANICAL APPROACH.GONDWANA RESEARCH. VOL. 24. ISSUE 1. P. 148-160 52 50% 12
3 SEN, S , (2016) REVIEW ON COAL PETROGRAPHIC INDICES AND MODELS AND THEIR APPLICABILITY IN PALEOENVIRONMENTAL INTERPRETATION.GEOSCIENCES JOURNAL. VOL. 20. ISSUE 5. P. 719 -729 28 88% 0
4 SINGH, AK , SINGH, MP , SINGH, PK , (2013) PETROLOGICAL INVESTIGATIONS OF OLIGOCENE COALS FROM FORELAND BASIN OF NORTHEAST INDIA.ENERGY EXPLORATION & EXPLOITATION. VOL. 31. ISSUE 6. P. 909-936 30 77% 6
5 SCOTT, AC , GLASSPOOL, IJ , (2007) OBSERVATIONS AND EXPERIMENTS ON THE ORIGIN AND FORMATION OF INERTINITE GROUP MACERALS.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 70. ISSUE 1-3. P. 53-66 30 75% 81
6 SHEARER, JC , MOORE, TA , DEMCHUK, TD , (1995) DELINEATION OF THE DISTINCTIVE NATURE OF TERTIARY COAL BEDS.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 28. ISSUE 2-4. P. 71-98 55 68% 25
7 DIESSEL, CFK , (2010) THE STRATIGRAPHIC DISTRIBUTION OF INERTINITE.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 81. ISSUE 4. P. 251-268 58 34% 38
8 SCOTT, AC , GLASSPOOL, IJ , (2006) THE DIVERSIFICATION OF PALEOZOIC FIRE SYSTEMS AND FLUCTUATIONS IN ATMOSPHERIC OXYGEN CONCENTRATION.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. VOL. 103. ISSUE 29. P. 10861-10865 39 51% 123
9 HOWER, JC , O'KEEFE, JMK , WATT, MA , PRATT, TJ , EBLE, CF , STUCKER, JD , RICHARDSON, AR , KOSTOVA, IJ , (2009) NOTES ON THE ORIGIN OF INERTINITE MACERALS IN COALS: OBSERVATIONS ON THE IMPORTANCE OF FUNGI IN THE ORIGIN OF MACRINITE.INTERNATIONAL JOURNAL OF COAL GEOLOGY. VOL. 80. ISSUE 2. P. 135-143 25 83% 15
10 YAN, MX , WAN, ML , HE, XZ , HOU, XD , WANG, J , (2016) FIRST REPORT OF CISURALIAN (EARLY PERMIAN) CHARCOAL LAYERS WITHIN A COAL BED FROM BAODE, NORTH CHINA WITH REFERENCE TO GLOBAL WILDFIRE DISTRIBUTION.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 459. ISSUE . P. 394 -408 43 41% 0

Classes with closest relation at Level 1


Rank Class id link
1 5914 INTERNATIONAL JOURNAL OF COAL GEOLOGY//COAL//MINERALS IN COAL
2 5263 REVIEW OF PALAEOBOTANY AND PALYNOLOGY//PENNSYLVANIAN//PALAEOBIOL PALAEOECOL
3 2173 ORGANIC GEOCHEMISTRY//VITRINITE REFLECTANCE//THERMAL MATURITY
4 27379 TROPICAL PEATLAND//TROPICAL PEAT//CIMTROP
5 33040 APPLIED COAL PETROGRAPHY//BERGBAU FORSCHUNG//CALBINDIN AND PARVALBUMIN
6 17252 IGNEOUS INTRUSION//NATURAL COKE//INTERNATIONAL JOURNAL OF COAL GEOLOGY
7 28281 TALCHIR FORMATION//TALCHIR GONDWANA BASIN//TALCHIR BASIN
8 14946 PARANA BASIN//MIOSPORES//PAGANZO BASIN
9 4568 FOSSIL WOOD//REVIEW OF PALAEOBOTANY AND PALYNOLOGY//COEXISTENCE APPROACH
10 1164 JOURNAL OF SEDIMENTARY RESEARCH//SEDIMENTOLOGY//GEOLOGY

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