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Organization Title

What kinds of Rocks or Minerals is this bike made of?

Answers!

The following lists the elements that contribute to the different parts of the bike. Those denoted with* are minerals,
and ** are rocks. A mineral is a naturally occurring element or chemical compound that is crystalline. A rock is
generally considered to be an aggregate of minerals.

Metal parts of bike: pedals, frame,
pedal cranks, chain, etc.

Titanium
Iron
Chromium
Tungsten
Manganese
Molybdenum
Aluminum
Zinc
Nickel
Magnesium
Sulfur
Fluorite*
Marble**
Limestone**

Rubber and plastic parts: seat, tires,
brake pads, helmet, etc.

Petroleum products (derived from crude oil)
Marble**
Mica*
Talc*
Clay (either a mineral group or rock type)
Barite*
Wollastonite*
Titanium
Halite*
Sulfur

Glass parts: mirror, reflectors

Silica or Quartz sand
Sodium carbonate minerals
Borate minerals
Silver
Dolomite*
Barite*
Magnesite

Batteries

Zinc
Manganese
Lead

Paint

Titanium dioxide*
Iron oxide*
Mica*
Talc*
Clay (mineral group and/or rock type)
Wollastonite*
Molybdenum
Silica*
Sulfur
Barite*

Significant amounts of the following elements and minerals are also obtained through recycling: Aluminum, Chromium (as stainless steal), Iron and Iron steel, Lead, Magnesium, Nickel (as stainless steel), Silver, Titanium, Tungsten, Zinc and Silica (from glass containers).
The U.S. Geological Survey publishes mineral commodity reports. This and other information is also accessed from the webpage http://minerals.usgs.gov/minerals

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