Other Metals

Question 1

Most abundant metallic element, constituting 8% of the Earth’s crust.

Answer 1

Aluminum

Question 2

Found as a secondary metal in porphyry copper deposits, skarn deposits, and quartz veins.

Answer 2

Molybdenum

Question 3

Heavy, dense, liquid at room temperature, and extremely toxic in vapor form; Derived from cinnabar ore, with significant use in the past for gold extraction

Answer 3

Mercury

Question 4

Heavy metal, used historically in a variety of applications; Often by-products of gold and copper mining, extracted from galena ore.

Answer 4

Lead

Question 5

Main ore of Al

Answer 5

Bauxite

Question 6

Bauxite consists of minerals such as__ (mention the chemical formula

Answer 6

gibbsite (Al(OH)₃),
diaspore (AlO(OH)), and
boehmite (AlO(OH))

Question 7

Bauxite results from

Answer 7

leaching of silica in aluminum-bearing rocks, especially those with high feldspar content.

Question 8

Leading producer of Bauxite

Answer 8

AUS (40% world reserves)

Question 9

First occurrence of Bauxite in the PH

Answer 9

Lutawon Basin, Nonoc Is.

Question 10

Identified as a significant area with deposits between 11°-13° latitude and 124°-126° longitude, containing gibbsite and boehmite with alumina and silica.

Answer 10

Mainland Samar

Question 11

Batad Is is estimated to have ____ MT in aluminum reserves

Answer 11

11,017,968

Question 12

Features ferruginous bauxite within the Surigao Mineral Reservation, exhibiting a range of lateritic soil types with varying iron content.

Answer 12

Bucas Grande

Question 13

Distribution of Mo in the Ph

Answer 13

Notable in regions like Larap, Polillo Island, and Southern Negros

Question 14

Deposit characteristics of Mo

Answer 14

Au rich, Mo Poor
Mo rich, Au Poor

Question 15

is chiefly noted as a by-product of copper mining activities.

Answer 15

Molybdenum

Question 16

Types of Mo Deposits

Answer 16

Cu-Mo Skarn
Porphyry Cu-Mo

Question 17

Examples of Cu-Mo Skarn

Answer 17

Larap, CamSur

Question 18

Examples of Cu-Mo Porphyry

Answer 18

Atlas Toledo Mine and Sipalay Mine, Cebu

Question 19

also known as quicksilver, is a heavy, dense metal with a unique characteristic of being liquid at room temperature.

Answer 19

Mercury

Question 20

Mercury Specific Gravity

Answer 20

13.6

Question 21

Mercury was first discovered in the Philippines at _______ by _____ in 1938, with subsequent findings in nearby areas.

Answer 21

Bo. Tagburos, Puerto Princesa, Palawan; George H. Newman

Question 22

Predominantly used in storage batteries, sheathing for electric cables, and as a radiation shield. Also used in alloys, pipes, tanks, and in the form of compounds in paints and pigments.

Answer 22

lead

Question 23

Primarily used as a galvanizing agent to prevent rusting in iron and steel. Also important in making brass, die-cast products, and as

Answer 23

zinc

Question 24

Characterized by accumulations of lead, zinc, and copper, often in association with submarine volcanic and sedimentary processes.

Answer 24

VMS deposirts

Question 25

Notable examples of VMS Deposits

Answer 25

Barlo and Amnay Deposits

Question 26

Lead and zinc are found within veins, often in association with gold and other metals, formed through hydrothermal processes.

Answer 26

Sulfide Vein Deposits

Question 27

Examples of Sulfide Vein Deposits

Answer 27

Paracale, Camarines Norte, and Masara district, southeastern Mindanao

Question 28

Formed by metasomatic processes near intrusive bodies, containing high-grade lead and zinc minerals

Answer 28

Skarn Deposits

Question 29

located in Rapu-Rapu, Albay. Known for high-grade zinc and copper along with significant gold and silver

Answer 29

Hixbar mine

Question 30

Managed by Benguet Corporation, showing high zinc and copper grades

Answer 30

Rapu-Rapu Project

Question 31

Previously mined out, was located in Pangasinan, notable for copper-zinc mineralization.

Answer 31

Barlo Mine

Question 32

Examples of vein type mineralization with significant lead and zinc content

Answer 32

Suerteng Tingga and Ayala Deposits:

Question 33

A contact metasomatic deposit in Benguet, known for its complex ores including lead and zinc.

Answer 33

Thanksgiving Mine:

Question 34

Notable years include 1952 and 1980 where lead production reached _________ respectively, reflecting periods of high industrial demand or enhanced mining operations.

Answer 34

2,300 MT and 5,493 MT

Question 35

Peak production years for zinc include 1970 and 1980, with quantities like________ respectively, showcasing the industry's growth and the commodity's economic significance.

Answer 35

7,772 MT and 10,453 MT