while we drill we face hard formation sandstone plenty of mica.
Dear Mr. Alshaghdari:
Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshaghdari:
Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshaghdari:
Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshaghdari:
Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshaghdari:
Dear Mr. Alshagdari Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshagdari Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Dear Mr. Alshagdari Normally siliciclastic rocks consist of quartz, feldspar and lithoclasts. There may be a silty matrix or cement which has to be treated separately from the clast community. In your case I suspect a micaceous cement made up of different types of phyllosilicates of the muscovite-illite group. In addition to the mineralogical and chemical variation of this micaceous cement it may also display different textures. The micaceous cement can be pore-filling, pore-lining or pore-bridging in reservoir rocks leading to variable rock strength and porosity. Best regards H.G.Dill
Micaseous sand is deposited now on the pointbar of meandering river within Tigris River channel in Baghdad, Iraq.
Dear Mohsen, usually mica-rich fine-grained sandstones are found in deltaic environments, that may feed submarine fans. Other possible explanation was given by Mr. Aqueel Al-Zubaidi. The mineralogical maturity, grain size and sorting would furnish good clues to the sandstone origin. The general geologic picture must be known for better interpretation. Considering sandstone hardness, compaction and/or silica or carbonate cementation are the main diagenetic processes responsible for this rock behaviour. I hope I could help you.
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