Investor Presentaiton
Stratigraphy of the Study Area
Tertiary
Quaternary
Rock
Geological
Time
Symbol
Holocene
Pleistocene
Pliocene
Dioritic
Intrusion
Rock Unit
Description
Alluvial &
Merapi
Deposits
Unconsolidated
materials: clay, sand,
gravel, couble, boulder,
Layered limestone,
Sentolo
tuffaceous-calcareous-
Late
Formation
Miocene Middle
Oligocene
Early
Eocene
Dukuh
Formation
sandstone, marl
Andesitic breccia, sand-
stone with calcareous matrix
of marine environment
Andesitic volcanic, pyro-
Kaligesing
clastic, laharic breccia,
Formation
Nanggulan
Formation
sandstone, lava of
terrestrial environment
Quatrz sandstone, marl,
claystone, lignite
intercalations
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INTERNATIONAL CONFERENCE ON
Yogyakarta, 3 October 2019
SCIENCE,
MINERAL AND
ENERGY 6
ICEMINE 2019View entire presentation