FIND OUT MORE. Earthâs crust is made of rock, and rock is made of natural substances called MINERALS. There are three main types of rockâsedimentary, igneous, and metamorphic rock. Each type is produced in different ways. The oldest rocks on Earth were formed about 3.8 billion years ago.arthâs crust is made of rock, and rock is made of natural substances called MINERALS. There are three main types of rockâsedimentary, igneous, and metamorphic rock. Each type is produced in different ways.
On the Chuck Taylor high top basketball style sneaker, the logo is on the inside. On most other styles of Converse shoes, sneakers and boots, the logo is on the outside of the... Star Gazing
N in a circle with a line underneath the Nâ¦â¦..Northwood Glass Company, Wheeling, West Virginia (1902-1923). Mark seen on carnival and other decorative glassware. Rarely or never seen on bottles, but Iâm listing the mark here for comparison with similar marks seen on bottles. âN inside a vertical diamondâ, used by National Glass Works. (As seen on base of kitchen canister or spice jar; Photo courtesy of Liz Clarke).