Assertion: gold | /r/HasProperty | extracted
Facets:
value: from it
type: OTHER
value: from silver
type: OTHER
value: from these metals
type: OTHER
value: from mountainsides
type: LOCATION
value: from lead
type: OTHER
value: from copper
type: OTHER
value: from zinc
type: OTHER
value: more often than
type: DEGREE
value: from streams
type: LOCATION
value: economically
type: MANNER
value: from the earth
type: LOCATION
value: from ores
type: OTHER
Source sentences:
text: Placer mining is the technique by which gold that has accumulated in a placer deposit is extracted.
text: Today, more often than not, gold is extracted from ores .
text: The World Gold Council estimates that there are about 190,000 metric tons of gold above ground being used today and roughly 54,000 metric tons of gold that can be economically extracted from the Earth using current technology.
text: The first recorded instances of placer mining are from ancient Rome, where gold and other precious metals were extracted from streams and mountainsides using sluices and panning.
text: But before any gold can even be extracted, significant resources and time -- which can cost billions of dollars and take many years -- go into identifying, exploring, and developing gold deposits.
text: The gold is then extracted from the solution by electrolysis or chemical substitution.
text: Gold is usually found in a pure state; however, it can also be extracted from silver, copper, lead and zinc.
text: Long before any gold can be extracted, significant exploration and development needs to take place, both to determine, as accurately as possible, the size of the deposit as well as how to extract and process the ore efficiently, safely and responsibly.
text: The gold must be extracted from these metals.
text: Relative sizes of an 860 kg (1,900 lb) block of gold ore and the 30 g (0.96 ozt) of gold that can be extracted from it, Toi gold mine