You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "where did all the gold come from in egypt?" whose answer is Wadi Hammamat, Eastern Desert.
Each document should contain about 30 words, and these documents should contain useful information.

Query: primary sources of gold in ancient Egypt
Useful Output:

Doc 1: Powered by gold: Ancient Egypt, for thousands of years one of the most powerful empires in the Eastern Mediterranean.
Doc 2: The site of ancient Egypt's second major source of free milling ore lay to the south and west of the Coptos-Berenice district in what was then known as
Doc 3: 2 The deposits are often associated with large faults, shear or volcanic rocks. To put it simply, there are two major types of deposits exploited in antiquity.
Doc 4: Leemans (1969) recognized Egypt as the likely source of Kassite gold. Amenhotep III (1390–1353 BCE) mar- ried a daughter and granddaughter of Kassite king.
Doc 5: The ancient Egyptians mined for gold in Nubia, the word Nubia includes the ancient Egyptian word for gold, "nub." They also received large round ingots of gold.