( =others=
---- youTUBE video    44:04 )

History Channel: How The Earth Was Made - America's Gold

-----------------------------------
( =other=
---- youTUBE video    52:51 )

Treasures of the Earth: Metals - Nova Documentary

keywords_> minerals, gemstones, metals

-----------------------------------
( USGS
2016 youTUBE video    1:09:29 )

The Gold Rush and the 1906 Earthquake

-----------------------------------
( worldethq
2014 youTUBE video    32:35 )

Ore deposits: Introduction [Part 1]


(c) 2019    DR-KNOW
IQ-2k Information Services


TOP     HOME     GEOLOGY index
articles     podcasts     videos

Information eQuation (BOOK)
Information eQuation (examples)

EMAIL COMMENTS to DR-KNOW

Please support this web site: give any amount via PAYPAL ("money TRANSFER") to todd@dr-know.biz