Coal Age
Country
United States
Northern America
Subject Area and Category
Earth and Planetary Sciences
└
Energy Engineering and Power Technology
Q4
└
Fuel Technology
Q4
└
Geotechnical Engineering and Engineering Geology
Q4
Publisher
SJR 2025
0.101
Q4
SJR Score
H-Index
7
Total Citations (3yr)
1
Publication type
Trade journals
ISSN
10910646
Coverage
1969-1987, 1989, 1994-1998, 2001-2023
Journal Rank
#30,886
Subject Categories
Energy Engineering and Power Technology
Q4
Fuel Technology
Q4
Geotechnical Engineering and Engineering Geology
Q4
Mechanical Engineering
Q4
Subject Areas
Detailed Metrics
| Total Docs. (3 years) | 64 |
| Total Citations (3 years) | 1 |
| Citable Docs. (3 years) | 64 |
Metrics Visualization
Latest year data vs 3-year cumulative figures
Publication & Citation Trend
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Top 10 Most Cited Articles
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Frequently Asked Questions
What is the impact factor of Coal Age?
The official Journal Impact Factor (JIF) is published by Clarivate in the Journal Citation Reports (JCR) and is not listed on this page. Based on SCImago data, Coal Age has an SJR of 0.101 and is ranked Q4.
What is the SJR and quartile of Coal Age?
Coal Age has an SJR (SCImago Journal Rank) of 0.101 and its best quartile is Q4.
What is the H-index of Coal Age?
The H-index of Coal Age is 7, meaning 7 of its articles have each been cited at least 7 times.
Is Coal Age indexed in Scopus?
Coal Age is listed as inactive in Scopus — Scopus is no longer adding new content for this title (Scopus Source List, August 2026).
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