Geologi Indonesia (SCGL603519) - Geologi Papua Part 1

Introduction

This tutorial is designed to provide a comprehensive overview of the geological features of Papua, as presented in the online lecture from the Indonesian geology course. The session covers tectonics, stratigraphy, and structures specific to Papua. This guide is beneficial for students, educators, and anyone interested in understanding the geological aspects of this region.

Step 1: Understanding Tectonics in Papua

Tectonics refers to the movement and deformation of the Earth's crust. In Papua, several key tectonic features are significant:

• Plate Boundaries: Identify the tectonic plates involved, primarily the Australian Plate and the Pacific Plate.
• Subduction Zones: Learn about the subduction of the Pacific Plate beneath the Australian Plate, which leads to volcanic activity in the region.
• Fault Lines: Recognize important fault lines such as the Sorong Fault, which plays a critical role in the area's geological activity.

Practical Advice:

• Use maps to visualize plate boundaries and fault lines.
• Research recent seismic activity in the region to see real-world applications of tectonic theory.

Step 2: Exploring Stratigraphy

Stratigraphy is the study of rock layers and layering. Understanding the stratigraphy of Papua involves:

• Rock Types: Familiarize yourself with the main rock types found in Papua, including sedimentary, igneous, and metamorphic rocks.
• Layering: Study how different geological layers are formed and how they can be identified in the field.
• Fossils and Dating: Learn about the significance of fossils in stratigraphy and methods for dating rock layers.

Practical Advice:

• Visit local geological sites if possible to observe different rock layers.
• Utilize stratigraphic columns to visually represent the layers and their relationships.

Step 3: Analyzing Geological Structures

Geological structures are the result of tectonic forces acting on rocks. Key structures found in Papua include:

• Folds: Understand how folding occurs under stress and the types of folds (e.g., anticlines and synclines).
• Faults: Review the different types of faults (normal, reverse, strike-slip) and their significance in the geology of Papua.
• Volcanic Features: Examine the volcanic structures present in Papua, stemming from its tectonic activity.

Practical Advice:

• Conduct field trips to observe geological structures firsthand.
• Document your observations with sketches or photographs.

Conclusion

This tutorial provides a foundational understanding of the geological aspects of Papua, focusing on tectonics, stratigraphy, and geological structures. To further your learning, consider engaging with additional resources, such as textbooks on geology or online courses that delve deeper into these topics. Stay curious and continue exploring the fascinating world of geology!