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Rock (geology) - Wikipedia
Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere. The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy.

Rock | Definition, Characteristics, Formation, Cycle, Classification ...
Rocks are commonly divided into three major classes according to the processes that resulted in their formation.

What Is Rock? Types of Rocks, Their Formation, and Complete Geological ...
Types of Rocks, Their Formation, and Complete Geological Classification. When a rock enters the metamorphic environment, it begins a slow but profound transformation. Heat increases, pressure rises, minerals dissolve and re-crystallize, grains rotate,...

Rocks: Pictures of Igneous, Metamorphic and Sedimentary Rocks
Rocks hold the history of the earth and the materials that will be used to build its future. Igneous Rocks: Photos, descriptions and facts about intrusive and extrusive igneous rocks. Metamorphic Rocks: Photos, descriptions and facts about foliated and non-foliated metamorphic rocks.

Rocks - Geology (U.S. National Park Service)
Rocks are all around us. They make up the backbones of hills and mountains and the foundations of plains and valleys. Beneath the soil you walk on and the deep layers of soft mud that cover the ocean basins is a basement of hard rock. Rocks are made up of different minerals, broken pieces of crystals, or broken pieces of rocks.

Introduction to Rocks: Types, Formation, Characteristics, and Uses
Rocks are naturally occurring solid materials that make up the Earth’s crust. From a scientific and geographic perspective, a rock is an aggregate of one or more minerals that have formed through geological processes over long periods of time.

52 Great Sites For Rockhounding in Michigan For 2026
Rockhounding in Michigan is a fun and rewarding experience if you know where to look and what to look for. Here's a comprehensive guide to help you.

Rocks and minerals - British Geological Survey
What is a rock? A rock is a solid collection of minerals. There are three main types of rock, classified by how they are sourced and formed: The rock cycle.

What Are Rocks? Types, Formation, Properties, and Examples
Scientists classify rocks into three main types based on how they form: igneous, sedimentary, and metamorphic. Each type develops through different geological processes, and all three can change into other types over time. Understanding these processes helps explain not only what rocks are but also how Earth’s surface changes over millions of years.

List of rock types - Wikipedia
There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type. Additionally, different classification systems exist for each major type of rock. [1] .

Best Bonsai Tree Species

Juniper (Juniperus spp.) — Outdoor
Iconic needle-like foliage, highly pliable branches ideal for wiring, and extreme cold hardiness.

Ficus / Ginseng Ficus (Ficus retusa / microcarpa) — Indoor
Thick, glossy leaves, striking aerial roots, and forgiving water tolerances. Excellent starter tree.

Japanese Maple (Acer palmatum) — Outdoor
Delicate lobed leaves with dramatic seasonal color shifts from bright green to deep reds and oranges.

Chinese Elm (Ulmus parvifolia) — Outdoor / Semi-Indoor
Small leaves, fine branch ramification, and rapid growth that responds very well to frequent pruning.

Dwarf Jade (Portulacaria afra) — Indoor / Warm Outdoor
Succulent leaves and thick woody trunks. Highly resilient against occasional underwatering.

Japanese Black Pine (Pinus thunbergii) — Outdoor
Classic coniferous bonsai featuring rugged bark, sharp green needles, and strong trunk movement.

Satsuki Azalea (Rhododendron indicum) — Outdoor
Famous for spectacular spring flowering displays in pink, red, and white alongside small evergreen leaves.

Fukien Tea (Ehretia microphylla) — Indoor
Shiny textured leaves, tiny white flowers blooming year-round, and dark textured bark.

Cotoneaster (Cotoneaster spp.) — Outdoor
Compact foliage, delicate white or pink spring blooms, and bright red autumn berries.

Boxwood (Buxus spp.) — Outdoor / Semi-Indoor
Dense foliage, naturally tiny oval leaves, and tough hardwood bark. Extremely hardy.

* BONSAI101 LATEST NEWS *

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Pittsburgh Bonsai Society's 45th Annual Bonsai Show  90.5 WESA
Flint vs. Bonsai 2 27B: The Honest Local Coding LLM Comparison  Intelligent Living
Bonsai reconstructs tree representations for distortion-free visualization and exploration of high-dimensional data  Nature
The Seiko Presage Classic Series x Tradman’s Bonsai Limited Edition HCC009J1  Monochrome Watches
AI device lets users ‘converse’ with bonsai for growing advice  朝日新聞
I ran the tiny Bonsai model on my tiny GPU. Here’s how it performed  InfoWorld
Are We Raising Bonsai Trees or Wildflowers?  Psychology Today
Fall Fruit and Foliage Bonsai Exhibition  The Sun Times News
The Patient Art of Bonsai  Millersville University
Bonsai artists bring Pikes Peak Bonsai Show to Phelan Gardens  Colorado Springs Gazette
Siamese Bonsai (Figaro) (2026) by Amos Kang - For Sale  Artsy
High Springs man wins best in show at U.S. National Tropical Bonsai Exhibition  WCJB | TV20
News Flash Archive - Fall Bonsai Show  Fort Wayne City (.gov)
🎥 From 2D images to 3D worlds: Bonsai bets on AI-powered farm robotics  AgFunderNews
Licensable picture: There's an outdoor patio with a water feature, bonsai trees and more at Kalani restaurant at 3792 Sunset Harbor Road, in the  Reuters Connect

Key Historical Bonsai Events

706 AD - Qianling Mausoleum Murals (China) - The earliest known visual depiction of Penjing appears in wall paintings inside Prince Zhanghuai's tomb, showing servants carrying potted miniature landscapes.

1195 AD - Saigyo Monogatari Emaki Scrolls (Japan) - A famous handscroll illustration marks one of the earliest documentations of potted trees in Japan during the Heian/Kamakura transition.

1363 AD - Noh Play "Hachi no Ki" (Japan) - The celebrated play "The Potted Trees" is written, reflecting how deeply bonsai cultivation was woven into Samurai culture and Japanese feudal society.

1603 AD - Tokugawa Shogunate Collection (Japan) - Shogun Tokugawa Iemitsu establishes a massive personal collection; one of his Five-Needle Pines (Sandai-Shogun-no-Matsu) survives today as one of the oldest known bonsai.

1900 AD - Paris Exposition Universelle (France) - Miniature potted trees displayed at the World's Fair introduce the Western world to Japanese bonsai art on an unprecedented global stage.

1925 AD - Foundation of Omiya Bonsai Village (Japan) - Following the Great Kantō Earthquake, master bonsai growers relocate to Saitama to form the world-renowned center of bonsai culture.

1976 AD - US Bicentennial Gift (Japan & USA) - Japan gifts 53 historic bonsai to the United States, including a 390-year-old Japanese White Pine that survived the Hiroshima atomic bomb, founding the National Bonsai Collection in Washington, D.C.

1989 AD - First World Bonsai Convention (Omiya, Japan) - The inaugural World Bonsai Friendship Federation convention convenes, establishing a global network for bonsai masters, educators, and enthusiasts.

Steps to Create a Bonsai Tree

1. Selecting the Right Tree Species
Choose a tree variety that suits your local climate and indoor or outdoor growing conditions, such as junipers, ficus, or maples, ensuring it thrives in a miniature environment.

2. Potting and Root Pruning
Plant your tree in a shallow bonsai pot using specialized well-draining soil mix, trimming the root system carefully during repotting to restrict vertical growth and encourage fine root branching.

3. Watering and Daily Care
Monitor soil moisture closely, watering thoroughly whenever the topsoil feels slightly dry, while providing adequate sunlight and appropriate seasonal feeding with balanced fertilizer.

4. Pruning and Shaping
Maintain the miniature silhouette through regular structural and maintenance pruning of branches and leaves, using specialized wire to guide trunk and limb direction as the tree matures.

5. Wiring and Branch Training
Wrap anodized copper or aluminum wire carefully around the branches to bend and position them into artistic, naturalistic forms that mimic ancient full-sized trees in nature.

6. Repotting and Maintenance
Refresh the soil mix and untangle root systems every one to three years during early spring, moving the tree to slightly larger or refreshed containers to prevent root-binding and maintain vigor.