mining department estonia 2009

mi.ttu.ee

Department of MiningDepartment of MiningMINING DEPARTMENTMINING DEPARTMENT

Mining InstituteMining Institute

Ingo ValgmaHead of departmentHead of Chair of Mining EngineeringProfessor

24.4.2023 1Ingo.valgma@ttu.ee

mi.ttu.ee

Task

• Preparing Mining Engineers for Estonian Mining Industry

24.4.2023 Ingo.valgma@ttu.ee 2

mi.ttu.ee

Location

• Power Engineering Faculty• Historically Chemical Faculty

24.4.2023 Ingo.valgma@ttu.ee 3

mi.ttu.ee

Estonia

• Small country (45000 km2, 1,4 Mill.inhabit)

• Largest oil shale mining country• Oil Shale is used for power

generation and oil production• + Phosphate rock, limestone, black

shale (uranium) deposits+ granite, peat

24.4.2023 4Ingo.valgma@ttu.ee

mi.ttu.ee

Mineral Resources

– Oil Shale– Limestone– Peat– Gravel, sand, clay– Granite– Phosphorite

24.4.2023 Ingo.valgma@ttu.ee 5

mi.ttu.ee

Background

• 230 mining permits• Large abandoned mining areas• Change in professionals

generations• Change from Soviet culture and

legislations to European

04/24/23 Ingo.valgma@ttu.ee 6

mi.ttu.ee

mi.ttu.ee2007 Sept 16 MAEGS 8

Black shale (Dictyonema argillite)

Oil shale (kukersite)

Phosphate rock

mi.ttu.ee24.4.2023 Ingo.valgma@ttu.ee 9

mi.ttu.ee10

Oil shale mining

0

10

20

30

40

1920 1930 1940 1948 1958 1968 1978 1988 1998

Ann

ual o

utpu

t, M

t

Underground Surface

2008

mi.ttu.ee11

mi.ttu.ee

Underground mining

24.4.2023 Ingo.valgma@ttu.ee 12

mi.ttu.ee

Latest achivements

• New staff members. Most people changed

• Accredited this year• New laboratories and infrastrucure• First in University in publication

activity per employee• 4 PhD-s last year

24.4.2023 Ingo.valgma@ttu.ee 13