Muhammad Hassan Agheem

5 Questions 14 Answers 0 Followers

Questions related from Muhammad Hassan Agheem

Can anyone help to identify the following rock type?

We have received the following two green colored, hard and compacted samples.The photos of rock and XRD Data (qualitative and semi-quantitative) is mentioned below. We are unable to give them a...

09 April 2022 8,108 9 View

What is the difference between dolomite and ankerite on the basis of PXRD?

I usually face the problem to distinguish between the dolomite and ankerite during the evaluation on powder XRD. Both of these minerals are found within the carbonate sedimentary rocks and belong...

10 April 2020 9,243 4 View

What is the significance of Miller Indices in crystallographic studies?

Normally, we determine the Miller Indices for various crystals as 001, 100, 010, for cube and 111 and so on for Octahedron etc. Here, we just describe the face is cut by a, b or c axis and running...

15 September 2017 5,028 2 View

Petrographically, what are the differences between primary and secondary (diagenetic) cements present within sandstones?

We are doing the petrographic study of some sandstones and found various kinds of cements such as the calcite, iron oxide and different clays ranging from 10-40 %. We are unable to decide whether...

26 August 2017 997 7 View

How do the mineralogical studies help to identify the depositional environments of different types of sandstones?

We have some types of sandstone where we have carried out the petrographic studies along with XRD and EDS and found that in most of the samples the ratio of calcite to quartz is 30:60, 40:50,...

01 September 2016 2,226 18 View