How to get started with rock tumbling
By: Rex Trulove
Though it requires patience, rock tumbling and polishing can be a fun hobby that the entire family can get into, and that results in stones of astonishing beauty. The first thing to get is a quality tumbler. There are basically two kinds of tumbler; the...
By: Kenneth Nwabufo-Ene
Phosphates in the Sokoto Basin, NigeriaIntroductionThere is substantial literature on the phosphogenesis and phosphate resources in a number of countries in West Africa (Gabon, Togo, Senegal, Morocco and Tunisia Slansky 1985, among others.The generally accepted genetic theories are upwelling in arid regions and upwelling...
By: Ngozi Uduezue
Manganese industry in NigeriaIntroductionThis paper reviews available information on manganese in Nigeria, provides additional useful data and examines the prospects of developing a manganese mineral industry in Nigeria.Geological setting of NigeriaApproximately one half of Nigeria is underlain by rocks of the Precambrian Basement Complex...
By: D. J. Poe
When I think of backyard geology, the first thing that comes to mind is gold. Of course, it's not in everyone's backyard, but it can be found. There's an old saying, "gold is where you find it"; in other words, look for gold where it's...
By: David Cowley
How Are Diamonds Made? Millions of years ago the ancient oceans had microorganisms that lived and died in the oceans. When the microorganisms died there bodies fell to the ocean floor. After the bodies decomposed, what was left was almost pure carbon. The crust of...
By: Lesley Banks
Life Goes On?Imagine a world with thick grey clouds that block out the sunlight. Think of freezing temperatures that persist for months, and imagine being hungry constantly. Could you survive in a world like that?Three thousand generations ago those circumstances faced our ancestors...
By: David Cowley
Facts About Black Diamonds. Black diamonds are also called carbonados diamonds. The Portuguese in Brazil coined the term carbonados in the mid-18th century. It derived from its visual similarity to porous charcoal. Black diamonds are found only in Brazil and the Central African Republic.Approximately...
By: Rich Tull
To understand the age of the earth, you must first have an understanding of three scientific principles: plate tectonics, planetary body formation sequences and the concept of radiometric dating.Plate TectonicsOur understanding of plate tectonics is relatively recent but comparatively thorough despite the youth of...
By: Carol Boshears
The World of GemsMy husband and I are appraisers. We have been into antiques and collectables for some time now. I know a lot about pottery and several other items, but neither of us knows anything about gems. We thought that as a part of...
By: David Cowley
Facts About Champagne Diamonds. The majority of the Champagne color diamonds are found in the Ragged Ranges in the Kimberley region of Australia. In this remote corner of north west Australia is the largest diamond mine in the world the called Argyle Diamond Mine. Diamonds...

 

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