Janani Kathirgamoo Geology Of The Gemencheh Area, Negeri Sembilan With Emphasis on The Economic Potential In The Tourmaline Muscovite Aplite Janani Kathirgamoo - Kuala Lumpur University Malaya 1997 - xvii, (various pg.) ill.; some col.; 4 maps 30 cm Includes bibliography index Subjects--Topical Terms: Economic geology Tourmaline Muscovite