Does anyone know of a source to obtain a 1kg samples of "ore concentrates" - the specific composition is unimportant but in a silica matrix?

More David A. Aubry's questions See All

Do you think can be any Uranium bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about Uranium ore deposits in world.

11 August 2024 6,720 0 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

If Banks do not provide credit facility, what are the options available for FPOs and impact on producer’s income?

10 August 2024 8,198 5 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

What are a “Farmers Producer Organization” (FPO) and its essential features?

10 August 2024 477 5 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How to get moment output in Abaqus Standart?

I have input a moment load in module load Abaqus, i put my moment load on the node surface (using reference point). I have define moment in history output and make a set for moment too. But the...

08 August 2024 4,831 4 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

To now I have understood any mineral deposits can be in any tectonic setting environment. Are you agree with me?

I have 28 years experience in field works on economic geology exploration works.

18 July 2024 1,268 2 View

Do you think can be any porphyry deposits in southwest of Birjand city in east of Iran?

I want to know more about porphyry deposits in Iran.

17 July 2024 7,417 1 View

Do you think can be any mineral deposits in ophiolitic Plagiogranites?

I want to know more about ore deposits in ophiolites.

01 July 2024 5,962 4 View

What are the key challenges and solutions for implementing cross-border agreements on sustainable river resource extraction between Nepal and India?

What are the key challenges in implementing cross-border agreements for sustainable resource management between Nepal and India, specifically related to the extraction of river resources, and how...

25 June 2024 2,462 0 View

Alternative to Centrifuge software (Krumm, 1996)?

Dear colleagues, does anyone know of a suitable alternative for Centrifuge software (calculating settling time for grain size separation by centrifugation), preferably one running on Windows 10 or...

17 June 2024 7,085 0 View

What is the best conditions for formation a very good Mn ore deposit?

I want to know more about Mn deposits.

17 June 2024 9,763 3 View

Hi, is there a way to transform .cif and .str file to .cel or .txt (that can be read in PCW) software?

I like PCW and profex as they are free softwares. It would be great to put the cif, and str files together with my samples to better identify. I work with XRD applied to mineralogy. Thanks!

12 June 2024 7,036 1 View

Strategies for Effective Gold Nugget Exploration in Victoria, Australia?

Hello fellow researchers, I am currently reviewing technical papers and research on gold nugget exploration in Victoria, Australia. While there is a wealth of information available in academic...

21 May 2024 9,417 2 View

Can I use aluminum foil to make a deposition mask to be used for Gold deposition in sputter coater?

I want to deposit gold to form arrays on top of my ITO glass substrate that is spin coated with three layers, namely;TiO2, Perovskite and Spiro-OMeTAD layers. The problem, I don't have have...

13 May 2024 6,346 2 View

I think any mineral deposits can be in any plate tectonic setting, are you agree with me?

I want to know more about mineral deposits.

10 May 2024 6,351 2 View