Geochemical sediments of various types are an aften overlooked but extremely important component of global terrestrial environments .where present ,chemical sediments and residual deposits may control slope development and landscape evolution .increase the preservation potential of otherwise fragile sediments ,provide important archive of environmen…
The grey-green matrix of the ore has a)streaky yellow brown parts consisting of globular aggregates of approx. 1 mm size with brown iron along the rim, and b)dark inclusions up to 2 mm size, concentrically built, mostly globular, at parts very irregularly formed.
the recnt fast growing of industry and transportation sectors need and requir sources mainly oil.however oil resources ore not renewable and certain time would no longer avaible it is therefore an alternatife and variety energy to subtitute the exiting sources should be encauraged .one of them is peat which its occurrences are found on several islan…
This report repsresente a compilation based on data soquired from Jaarb :The Geology Of Indonesia Stratigrafic loxioon of Indonesia and Other Available reportn at the Directorat Geologi Bandung
Aan Hot Departement van Economische zaken te Batavia heeftmen aan Dr. Heldring de vraag gesteld, war om het genootschap voor de uitzending van een expeditie naar indie juist het oog heeft laten vallen op nieuw-Guinea en niet op andere streken in den nederlandsch-indischen archiple.