Res Geol

• Diatomaceous Earth

  • Generic term for both natural and calcined diatomite
• 70-97 wt%

  • silica content of Marine Diatomite
• 1.9%

  • water content of marine diatomite
• Basud, Camarines Norte

  • Location of diatomite that is only produces diatomite for commercial production
• Occurrences of Diatoms

  1. Nueva Ecija
  2. Bataan
  3. Camarines Norte
  4. Lanao del Norte
  5. Bukidnon
• 1972

  • 2 main diatomite occurrences were found (Basud, Camarines Norte)
• Lompoc, California, USA 

  • Largest known diatomite deposit in the world (13 sqm; 20x as big as rizal park)
• Celite Corporation

  • operates 2 diatomite mines in Lompoc, California, USA
• Marine Diatomite Deposit

  • Type of Diatomite deposit in Lompoc, California, USA
• Nevada, USA

  • Largest known freshwater diatomite deposit
• Major Freshwater Diatomite Deposit are found in Idaho, Oregon, Washington
• Crystal system of Feldspar

  • Triclinic
  • Monoclinic
• Common clay minerals that will form from feldspar weathering : Kaolinite, Illite, smectite
• Chemical composition of Potassium Feldspar : KAlSi3O8
• 25%

  • feldspar content of arkose
• Proclamation no. 1790, s. 1978

  • Aims to facilitate the commercial development and exploitation of extensive feldspar deposits discovered in the region, aligning with the objectives of Presidential decree no. 463 to encourage mineral resource development
• TRONDHJEMITE PLUTON

  • Igneous rock formations in rich plagioclase feldspar, form through the slow cooling and solidification of magma deep within the earth’s crust
• Genesis Rock

  • Moon rock collected by apollo 15 astronauts in 1971
• Genesis Rock contains mostly anorthite feldspar
• Black Beauty

  • NWA 7034 meteorite from mars
• TURKEY (2022) - top exporter of feldspar
• Pegmatite and Aplite Dikes Deposit Location

  Ilocos Norte: Burgos- Pasaquin
• Arkosic Sandstones deposit location

  Pinamalayan, Occidental Mindoro
• Feldspar minerals used as Gemstones Moonstone, Sunstone, Labradorite
• GYPSUM is a Hydrous Calcium Sulfate
• 20%

  • water percentage of gypsum
• Crystal system of Gypsum: Monoclinic
•  Chemical formula of Gypsum CaSO4 . 2H2O
• Satin Spar

  • Fibrous variety of gypsum
• OCCURRENCE OF GYPSUM IN THE PH

  1. Batangas
  2. Albay
  3. Cam Sur
  4. Occidental Mindoro
  5. Negros
• • CHINA- holds the record for the largest gypsum reserve worldwide
• Irregular Lenses deposits of Gypsum in Batangas is Located in Talahib-Payapa
• PERLITE

  • Hydrated, Porous and Silicic volcanic glass
• Crystal System of Perlite : Amorphous
• GENERAL OCCURRENCE OF PERLITE

  Baao, Camarines Sur

  Legaspi, Albay

  Calayan, Cagayan
• CHINA - Top producer of Perlite
• 70.95 SiO2 Percentage of Perlite reserve in the PH
• Rhyodacitic Flows

  • Perlite- bearing flows
• Talc is a Phyllosilicate Mineral held together by Van der Waals bond
• Talc

  • World's softest material