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II. SITE DESCRIPTION

II.3.GEOLOGY
1. Bedrock class
Type Present % Surface
Igneous rock
Granite -  
Rhyolite -  
Pyroclastics -  
Gabbro -  
Basalt -  
Peridotite -  
Pyroxenite -  
Serpentine -  
Metamorphic rock
Gneiss -  
Quartzite -  
Schist -  
Marble -  
Sedimentary rock
Conglomerate -  
Sandstone -  
Siltstone -  
Shale -  
Limestone -  
Marl -  
Gypsum -  
Unconsolidated
Fluvial, lacutrine, marine, colluvial -  
Other
Beach and sandy dunes  YES 100 
2. Degree of bedrock cracking or weathering:
     YES Absence of rock at less than 60 cm.
- Lightly fissured or altered rock
- Soft or very fissured rock
- Non-fissured or hard rock
- Relatively soft or moderately altered or fissured rock
- Presence of hard rock outcrops on the surface

REACTION: This research is supported by the "Energy, Environment and Sustainable Development" programme, under contract EVK2-2002-80025