কয়লা: বিভিন্ন সংশোধনসমূহৰ মাজৰ পাৰ্থক্য
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12 নং শাৰী:
== শ্ৰেণী বিভাজন ==
কয়লাক
* [[পীট]]
* [[লিগনাইট]]
26 নং শাৰী:
Of the three fossil fuels, coal has the most widely distributed reserves; coal is mined in over 100 countries, and on all continents except Antarctica. The largest reserves are found in the USA, Russia, China, India and Australia. Note the table below.
{| class="wikitable sortable"
|+ '''Proved recoverable coal reserves at end-2008 (million tons (teragrams))'''<ref>[http://web.archive.org/web/20110628231634/http://www.worldenergy.org/documents/ser_2010_report_1.pdf World Energy Council – Survey of Energy Resources 2010]. (PDF) . Retrieved on 2012-08-24.</ref>
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116 নং শাৰী:
The reserve life is an estimate based only on current production levels and proved reserves level for the countries shown, and makes no assumptions of future production or even current production trends. Countries with annual production higher than 100 million tonnes are shown. For comparison, data for the European Union is also shown.
Shares are based on data expressed in tonnes oil equivalent.
{| class="wikitable sortable"
|+ '''Production of Coal by Country and year (মিলিয়ন মেট্ৰিকটন)'''
<ref name="BPReview2011">{{cite web | url = http://www.bp.com/assets/bp_internet/globalbp/globalbp_uk_english/reports_and_publications/statistical_energy_review_2011/STAGING/local_assets/spreadsheets/statistical_review_of_world_energy_full_report_2012.xlsx | title = BP Statistical review of world energy 2012 | publisher = British Petroleum | format = XLS | accessdate =18 August 2011|archiveurl=http://web.archive.org/web/20120619171812/http://www.bp.com/assets/bp_internet/globalbp/globalbp_uk_english/reports_and_publications/statistical_energy_review_2011/STAGING/local_assets/spreadsheets/statistical_review_of_world_energy_full_report_2012.xlsx|archivedate=19 June 2012}}</ref>
292 নং শাৰী:
=== কয়লা ৰপ্তানি কৰা প্ৰধান দেশসমূহ===
Countries with annual gross export higher than 10 million tonnes are shown. In terms of net export the largest exporters are still [[Australia]] (328.1 millions tonnes), [[Indonesia]] (316.2) and [[Russia]] (100.2).
{| class="wikitable sortable"
|+ '''Exports of Coal by Country and year (million short tons)'''<ref>[http://www.eia.doe.gov/oiaf/aeo/supplement/pdf/suptab_114.pdf Table 114. World Metallurgical Coal Flows By Importing Regions and Exporting Countries 1,2/ (million short tons)]. eia.doe.gov</ref><ref>[http://www.eia.doe.gov/oiaf/ieo/pdf/coal_tables.pdf World Coal Flows by Importing and Exporting Regions]. Eia.doe.gov. Retrieved on 2012-08-24.</ref><ref>[http://tonto.eia.doe.gov/cfapps/ipdbproject/iedindex3.cfm?tid=1&pid=1&aid=4&cid=&syid=2003&eyid=2008&unit=TST EIA International Energy Annual]. Tonto.eia.doe.gov. Retrieved on 2012-08-24.</ref>
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453 নং শাৰী:
Countries with annual gross import higher than 20 million tonnes are shown. In terms of net import the largest importers are still [[Japan]] (206.0 millions tonnes), [[China]] (172.4) and [[South Korea]] (125.8).<ref>[http://www.eia.gov/cfapps/ipdbproject/iedindex3.cfm?tid=1&pid=1&aid=24&cid=&syid=2006&eyid=2010&unit=TST EIA International Energy Annual: Coal Overview 2010]. Eia.gov. Retrieved on 2012-08-24.</ref>
{| class="wikitable sortable"
|+ '''Imports of Coal by Country and year (million short tons)'''<ref>[http://tonto.eia.doe.gov/cfapps/ipdbproject/iedindex3.cfm?tid=1&pid=1&aid=3&cid=&syid=2006&eyid=2008&unit=TST International Energy Annual]. Tonto.eia.doe.gov. Retrieved on 2012-08-24.</ref>
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