کوکینا (Coquina)

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کوکینا (Coquina)

@geologisting

کوکینا (Coquina)

@geologisting

اندازه ی دانه ها در رسوبات و نامگذاری سنگ های رسوبی

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آ) اندازه ی دانه ها، بی) گرد شدگی، سی) جور شدگی، دی) دانه ها و ماتریکس.

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دسته بندی سنگ های رسوبی با عکس

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تغییرات توپوگرافی که با رنگ قابل مشاهده هست... ایده ی خوبی برای یاد گرفتن تغییرات توپوگرافی هست.

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کلیپ سنگ های دگرگونی

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"Unlocking The Secrets of Gold Ore Deposits with Fluid Inclusion Analysis"

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Reference:
Figure: Types of fluid inclusions in the minerals of studied mesothermal gold deposits.
(a) Two-phase inclusion of diluted solution; (b) CO 2 –aqueous inclusion of vapor-rich fluid; (c) vapor-rich inclusion; (d) multiphase inclusion of chloride brine (Bortnikov 2005).
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Fluid inclusions, tiny pockets of fluid trapped within minerals, are invaluable tools in the study of gold ore deposits. These microscopic time capsules offer a direct window into the physicochemical conditions of ore formation, providing key insights into the processes that led to gold mineralization.

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Applications in Gold Ore Studies:

1. Temperature and Pressure Conditions: Fluid inclusions help reconstruct the temperature and pressure of mineralizing fluids, crucial for understanding the ore-forming environment.


2. Fluid Composition: By analyzing the inclusions' chemical and isotopic makeup, we can identify the origin of the fluids (magmatic, metamorphic, or meteoric) and their role in gold transport and deposition.


3. Metal Transport Mechanisms: Inclusions reveal the role of ligands like sulfur and chloride in carrying gold within hydrothermal systems.


4. Paleofluid Evolution: They track changes in fluid characteristics over time, such as mixing events, boiling, or immiscibility, which are often critical triggers for gold deposition.


5. Vectoring for Exploration: Fluid inclusion studies can delineate ore zones and guide exploration by identifying halos of mineralized systems..


This method is a game-changer in gold exploration, bridging geology and geochemistry to provide a more precise understanding of ore-forming processes.


-----------
Reference:
Figure: Types of fluid inclusions in the minerals of studied mesothermal gold deposits.
(a) Two-phase inclusion of diluted solution; (b) CO 2 –aqueous inclusion of vapor-rich fluid; (c) vapor-rich inclusion; (d) multiphase inclusion of chloride brine (Bortnikov 2005).Applications in Gold Ore Studies:

1. Temperature and Pressure Conditions: Fluid inclusions help reconstruct the temperature and pressure of mineralizing fluids, crucial for understanding the ore-forming environment.


2. Fluid Composition: By analyzing the inclusions' chemical and isotopic makeup, we can identify the origin of the fluids (magmatic, metamorphic, or meteoric) and their role in gold transport and deposition.


3. Metal Transport Mechanisms: Inclusions reveal the role of ligands like sulfur and chloride in carrying gold within hydrothermal systems.


4. Paleofluid Evolution: They track changes in fluid characteristics over time, such as mixing events, boiling, or immiscibility, which are often critical triggers for gold deposition.


5. Vectoring for Exploration: Fluid inclusion studies can delineate ore zones and guide exploration by identifying halos of mineralized systems..


This method is a game-changer in gold exploration, bridging geology and geochemistry to provide a more precise understanding of ore-forming processes.

@geologisting

نحوه ی تشکیل سنگ های رسوبی

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فرایندها، منشورهای بازالتی، انواع چین ها و گسل ها

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پوست دایناسور فسیل شده

Dinosaur skin is preserved at many Utah dinosaur sites. Fossilized dinosaur skin impressions, Grand Staircase–Escalante National Monument, Kane County, Utah.

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سی و دومین همایش ملی بلورشناسی و کانی شناسی ایران

8 و 9 اسفند 1403

دانشگاه شهید باهنر کرمان

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