المنتجات

Organic geochemical characteristics and depositional setting …

International Journal of Coal Geology. Volume 207, 15 April 2019, Pages 52-72. Organic geochemical characteristics and depositional setting of Paleogene oil shale, …

Stability analysis of a slope containing water-sensitive mudstone …

Mudstone, as a typical soft rock with wide distribution, has been endangering the slopes containing mudstone by its water-sensitivity of swelling and weakening strength when encountering water. To comprehensively understand the water-sensitivity of mudstone and reveal its influence on slope stability, we took the working slope …

Geochemistry of Pyritic Mudstones from the Singa …

Geochemistry of Pyritic Mudstones from the Singa Formation, Malaysia: Insights into Gold Potential, Source of Sulfur and Organic Matter. July 2021. Geosciences 11 (7):279. DOI:...

The study of mudrocks resistivity in Northwestern Peninsula Malaysia …

Mudrock is a type of sedimentary rock whose original constituents are clays and muds. Mudrocks are fine grained siliciclastic which include mudstone and claystone depending on the grain size. The colour of mudstone is a function of its minerology content and geochemistry processes. One common sedimentary structure of mudrocks is lamination …

Wan ABDULLAH | University of Malaya, Kuala Lumpur

Organic geochemical characteristics and depositional setting of Paleogene oil shale, mudstone and sandstone from onshore Penyu Basin, Chenor, Pahang, Malaysia Article Mar 2019

Analysis of Mudstone under Water Absorption Process

mudstone collapse to produce new surfaces which encounter the same process and continue to collapse. In this process, the role of different factors can lead to the transmission and dissipation of energy. Energy plays a decisive role in mudstone disintegration [9,10]. The expansion of mudstone is usually considered to be mainly …

(PDF) 503-130 DISTINCTION OF THE TYPE OF …

The study explores the use of 2-D resistivity method to identify the type of mudstone from the outcrop of Bukit Chondong (BC), Perlis. The distinction of mudstone is based from the comparison of ...

Red clay/mudstone distribution, properties and loess–mudstone …

Red clay (RC)/mudstone is widely distributed on the Loess Plateau (LP) in China. As a sliding-prone stratum, it controls the formation of loess–mudstone landslides together with active faults. This paper examines the distribution of RC/mudstone and active faults, especially seismogenic faults, and explains their relationship with the distribution …

LITHOLOGICAL VARIATIONS IN BLACK SHALES AND …

PDF | This paper examines the Cretaceous-Upper Pliocene shale and mudstone outcrops in Central Sarawak. Related geological studies focused basically …

Tectonics and sedimentation of SW Sarawak basin, Malaysia, …

Structurally SW Sarawak basin is a southward sloping basement characterized by passive margin tectonic that has undergone through varioius tectonic …

Evaluation of hydrocarbon source rock potential: Deep

Mudstone facies is characterized by the accumulation and settling of finest particles in the form of dark grey to dark black colored laminas or tiny to massive mudstone/shale beds with thickness varying from few mm to10s of cm and up to 10 s of m. ... Universiti Tecknologi PETRONAS (UTP), Malaysia, for funding all laboratory analysis …

Facies analysis of the Semanggol Formation, South Kedah, Malaysia…

The Permian–Triassic Semanggol Formation is widely distributed in northwestern Peninsula Malaysia and is made of various lithofacies. Alexander et al. has used the term "Semanggol" to represent the formation in northern part of Perak State, north Penensular Malaysia.Burton (1970, 1973, 1988), Courtier (), and Teoh found that similar …

Insights into the Effect of Water Content on Mudstone

In the Tunnel Boring Machines (TBMs) construction of soft rock tunnels, adverse geological conditions, such as water-rich and wet strata are often encountered. Water in strata can change the stress state and weaken the mechanical performance of rock mass, further affecting the tunneling process and rock breaking efficiency. To study …

Geochemistry of Pyritic Mudstones from the Singa …

The Central Gold Belt of Peninsular Malaysia is known to contain mudstones associated with significant gold-enriched structures …

Mineralogical investigation of fine clastic rocks from

The reduction in the conventional resources and insistent request for hydrocarbons and energy lead us to look forward for the increasing interest in unconventional resources by exploring new technologies for the national economy and local utilization in Malaysia. Upper Mesozoic-Cenozoic is considered the age of Central …

Mudstone ("shale") depositional and diagenetic processes: …

Abstract Source-rock reservoirs are fine-grained petroleum source rocks ("shales" or "mudstones") having geomechanical properties that allow those rocks to produce hydrocarbons at economic rates after stimulation by hydraulic fracturing. Many of the assumptions commonly adopted by geophysicists to characterize shales cannot be …

The study of mudrocks resistivity in Northwestern Peninsula Malaysia

The red mudstone of Chepor Member formed at high oxidation environment gives resistivity value of 15 – 100 Ωm contrast to grey mudstone which formed under low oxidizing condition gives 120 ...

Petroleum source rock evaluation of the Sebahat and

The mudstone samples also demonstrate a significant amount of EOM yield. However, it is noted that, the EOM contains a complex mixture of hydrocarbons and non-hydrocarbon components especially within the thermally immature samples, which therefore influence the determination of source rock quality. ... Malaysia, pp. 123–126. Google …

Organic geochemical characteristics and depositional setting …

@article{Makeen2019OrganicGC, title={Organic geochemical characteristics and depositional setting of Paleogene oil shale, mudstone and sandstone from onshore Penyu Basin, Chenor, Pahang, Malaysia}, author={Yousif M. Makeen and Wan H. Abdullah and Habeeb A. Ayinla and Xuan-long Shan and Ye Liang and Siyuan Su and Noraini Mohd.

Investigating the influence of water on swelling deformation …

Mudstone not only swells and deforms but also be softened during water absorption because it contains many hydrophilic clay minerals. To study the influence of water on the swelling characteristics and mechanical behavior of mudstone, the water softening effect is first considered in the moisture diffusion-fracture coupling model based …

Organic geochemical characteristics and depositional setting …

The inevitable decline in conventional petroleum across the globe has been followed by exploration of unconventional energy sources like carbonaceous mudstone, …

Stratigraphy and palaeoenvironmental evolution of the

The black mudstone indicates dysoxic/anoxic waters brought on by sluggish circulation. There is a general eastward trend in eye reduction in trilobites associated with the black mudstone, from Northwest Peninsular Malaysia to North Perak.

The study of mudrocks resistivity in Northwestern Peninsula …

This research emphasizes on the resistivity value of mudrocks; claystone and mudstone which exist in northwestern of Peninsula Malaysia. Mudstone of Kubang …

The upper Palaeozoic pebbly mudstone facies of peninsular …

The Phuket Group in Peninsular Thailand and the Singha Formation in NW Malaysia are of Devonian to Lower Permian age. These approximately 3000 m thick strata, which are part of the »SE-Asian pebbly mudstone belt« stretching from Southern Tibet to Sumatra, have been interpreted as continental margin deposits (Mitchell et al. 1970). In contrast, recent …

Effect of Water Content on Argillization of Mudstone During the

In the experiment, mudstone was collected from a tunnel engineering site in Chongqing. In the view of dimensions of best bench and edge effect, mudstone was cut into blocks with size of 100 mm × 80 mm × 80 mm, as shown in Fig. 1c. The physical and mechanical properties are listed in Table 1.To obtain rock blocks with different water …

Geochemistry of Pyritic Mudstones from the Singa …

The Central Gold Belt of Peninsular Malaysia is known to contain mudstones associ-ated with significant gold-enriched structures which have been in the very core …

Organic geochemical and petrographic characteristics of

Tertiary coals from Mukah and Balingian coalfields in the northwest Sarawak, Malaysia were investigated to evaluate their regional rank variation, petroleum generative potential and to reconstruct the palaeoenvironment conditions during peat accumulation. The Tertiary coals are characterized by high total organic carbon contents …

Geotechnical behavior of mudstones from the Shimanto and …

Triaxial shear tests on mudstone samples from the Shimanto Belt and the Boso accretionary complexes (SW Japan and central Japan) were carried out. Pre-exhumation burial depths in the two paleo-accretionary prisms were up to 9,000 m and about 1,000 m for the Shimanto and the Boso samples, respectively. Three methods …

Summary of cohesion and friction angles of different rock …

The cohesion (c, MPa) and friction angles (φ, degree) of both peak and residual conditions of four rock groups were summarized in Table 1. The intact uniaxial compressive strength (σ ci, MPa ...

The Upper Paleozoic pebbly mudstone facies of peninsular …

The Upper Paleozoic pebbly mudstone facies of peninsular Thailand and western Malaysia - Continental margin deposits of Palaeoeurasia - Discussion: DOI: 10.1007/BF01821074: Authors: P.H. Stauffer, L.C. Peng: Publication Type: Article: Publication Subtype: Journal Article: Series Title: Geologische Rundschau: Index ID: 70014192: Record Source ...

Uranium concentration of shale and mudstone in study area

Download Table | Uranium concentration of shale and mudstone in study area from publication: LITHOLOGICAL VARIATIONS IN BLACK SHALES AND MUDSTONE FORMATIONS OF CENTRAL SARAWAK, MALAYSIA | This ...

Waterfalls of Maliau Basin—Geoheritage of Sabah, …

The Maliau Basin, located in one of the remaining pristine rainforest in Sabah, produces some of the most spectacular waterfalls in Malaysia. The seven-tier Maliau Falls has become one of the major attractions for visitors to the basin. However, other waterfalls within the basin are not well known to visitors and their development …

Geochemistry of Pyritic Mudstones from the Singa …

isotope composition of the pebbly mudstone samples shows a wide range from 23.9‰ to 5.8‰ indicating a mixed terrestrial and marine source. Keywords: gold; source rock; X-ray fluorescence analysis; geochemistry; Malaysia 1. Introduction Fine-grained sedimentary sequences host several trace elements, including Zn, Pb, Cu,

Rock Formations of Langkawi Geopark – Langkawi …

The Machinchang Formation, found in the northwestern region of Langkawi, is a unique mountain enviroment dominated by barren rocky peaks and vertical cliffs made from yellowish, moderate-to-thickly bedded …

All Malaysia Natural Stone

56 kinds of in Malaysia, such as Ipoh Marble,Perak Crystal White Marble,Qamar Pearl Marble,Imperial Grey Marble,Carmen White Marble 10:14:46 Products