sentences:  The area in the vicinity of the hill is rich in magnetite-quartzite deposits which yield iron ore.
  
  Gangamoola is a part of the Kudremukh biodiversity sub-cluster of the Western Ghats which has been nominated to receive the designation of a World Heritage Site by UNESCO.A survey conducted by the ornithologist Davidar in 1980 recorded 107 species of birds in the Kudremukh-Aroli-Gangamoola tract.The presence of a large number of bird species is due to trees like "Myristica dactyloides" that are favoured by birds.