Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 3 | 4 | GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES | 1953906 |
| 0 | 3 | GEOCHEMISTRY & GEOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY//GEOLOGY | 272432 |
| 324 | 2 | JOURNAL OF STRUCTURAL GEOLOGY//TECTONOPHYSICS//GEOSCIENCES, MULTIDISCIPLINARY | 18528 |
| 7395 | 1 | RESERVOIR QUALITY//SANDSTONE DIAGENESIS//DIAGENESIS | 1398 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | RESERVOIR QUALITY | authKW | 960555 | 5% | 57% | 75 |
| 2 | SANDSTONE DIAGENESIS | authKW | 695588 | 3% | 86% | 36 |
| 3 | DIAGENESIS | authKW | 589023 | 16% | 12% | 224 |
| 4 | QUARTZ CEMENT | authKW | 351942 | 2% | 71% | 22 |
| 5 | SECONDARY POROSITY | authKW | 191595 | 1% | 50% | 17 |
| 6 | QUARTZ OVERGROWTH | authKW | 173400 | 1% | 77% | 10 |
| 7 | QUARTZ CEMENTATION | authKW | 151527 | 1% | 61% | 11 |
| 8 | MARINE AND PETROLEUM GEOLOGY | journal | 149407 | 10% | 5% | 139 |
| 9 | SANDSTONE | authKW | 122948 | 5% | 7% | 73 |
| 10 | CONCRETIONS | authKW | 118560 | 2% | 24% | 22 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Geology | 69702 | 31% | 1% | 435 |
| 2 | Geosciences, Multidisciplinary | 27502 | 51% | 0% | 717 |
| 3 | Engineering, Petroleum | 12243 | 10% | 0% | 133 |
| 4 | Mineralogy | 5451 | 9% | 0% | 126 |
| 5 | Geochemistry & Geophysics | 1893 | 11% | 0% | 150 |
| 6 | Energy & Fuels | 1346 | 11% | 0% | 152 |
| 7 | Chemistry, Physical | 42 | 7% | 0% | 100 |
| 8 | Paleontology | 28 | 1% | 0% | 11 |
| 9 | Soil Science | 21 | 1% | 0% | 15 |
| 10 | Geography, Physical | 4 | 1% | 0% | 8 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | STATE OIL GAS ERVOIRS GEOL EXPLOITAT | 67628 | 0% | 100% | 3 |
| 2 | PETR OPERAT | 46958 | 0% | 42% | 5 |
| 3 | OIL GAS EXPLORAT DEV BRANCH | 45085 | 0% | 100% | 2 |
| 4 | SHENGLI OILFIELD BRANCH CORP | 45085 | 0% | 100% | 2 |
| 5 | POSTDOCTORAL GEOL OURCES GEOL ENGN | 30055 | 0% | 67% | 2 |
| 6 | 915 | 22543 | 0% | 100% | 1 |
| 7 | AL KHODH SULTANATE OMAN GEOL 123 | 22543 | 0% | 100% | 1 |
| 8 | ANNUITANT | 22543 | 0% | 100% | 1 |
| 9 | BACKGROUND GEOL | 22543 | 0% | 100% | 1 |
| 10 | BP TECHNOL | 22543 | 0% | 100% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | MARINE AND PETROLEUM GEOLOGY | 149407 | 10% | 5% | 139 |
| 2 | JOURNAL OF SEDIMENTARY PETROLOGY | 110139 | 6% | 6% | 83 |
| 3 | CLAY MINERALS | 89705 | 6% | 5% | 84 |
| 4 | AAPG BULLETIN | 77178 | 6% | 4% | 82 |
| 5 | JOURNAL OF SEDIMENTARY RESEARCH | 76534 | 6% | 4% | 77 |
| 6 | AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS | 45468 | 3% | 4% | 48 |
| 7 | SEDIMENTARY GEOLOGY | 37724 | 6% | 2% | 83 |
| 8 | JOURNAL OF SEDIMENTARY RESEARCH SECTION A-SEDIMENTARY PETROLOGY AND PROCESSES | 37627 | 1% | 10% | 17 |
| 9 | JOURNAL OF PETROLEUM GEOLOGY | 35690 | 3% | 4% | 36 |
| 10 | SEDIMENTOLOGY | 35481 | 5% | 3% | 63 |
Author Key Words |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass | LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | RESERVOIR QUALITY | 960555 | 5% | 57% | 75 | Search RESERVOIR+QUALITY | Search RESERVOIR+QUALITY |
| 2 | SANDSTONE DIAGENESIS | 695588 | 3% | 86% | 36 | Search SANDSTONE+DIAGENESIS | Search SANDSTONE+DIAGENESIS |
| 3 | DIAGENESIS | 589023 | 16% | 12% | 224 | Search DIAGENESIS | Search DIAGENESIS |
| 4 | QUARTZ CEMENT | 351942 | 2% | 71% | 22 | Search QUARTZ+CEMENT | Search QUARTZ+CEMENT |
| 5 | SECONDARY POROSITY | 191595 | 1% | 50% | 17 | Search SECONDARY+POROSITY | Search SECONDARY+POROSITY |
| 6 | QUARTZ OVERGROWTH | 173400 | 1% | 77% | 10 | Search QUARTZ+OVERGROWTH | Search QUARTZ+OVERGROWTH |
| 7 | QUARTZ CEMENTATION | 151527 | 1% | 61% | 11 | Search QUARTZ+CEMENTATION | Search QUARTZ+CEMENTATION |
| 8 | SANDSTONE | 122948 | 5% | 7% | 73 | Search SANDSTONE | Search SANDSTONE |
| 9 | CONCRETIONS | 118560 | 2% | 24% | 22 | Search CONCRETIONS | Search CONCRETIONS |
| 10 | CARBONATE CEMENT | 113640 | 1% | 46% | 11 | Search CARBONATE+CEMENT | Search CARBONATE+CEMENT |
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. |
Classes with closest relation at Level 1 |