TY - BOOK AU - John Joseph Jinap AU - Tennent Ahai TI - Geochemical exploration in the Bukit Demam area, Serian, Sarawak: (follow-up) PY - 2010/// CY - Kuala Lumpur PB - Jabatan Mineral dan Geosains Malaysia KW - Geochemical KW - Bukit Demam KW - Sarawak N1 - Includes bibliographical references N2 - The exploration involves follow-up survey over an area of about 20km2. By the end of the survey, a total of 125 stream sediment, 125 heavy mineral concentrate and 12 rock samples had been collected ER -