Shale strata in a cliff face
Block of oil shale
Blocks of oil shale (marlstone)
Rock strata
Limestone and shale strata
Close-up of a rugged cliff
Glass bottle of shale oil
Coastal shale platform
Quartz and schist outcrops
Canister of biohydrogen
A rock face
Limestone cobbles on shale
Shale specimen
Canister of shale oil
Glass bottle of biohydrogen
Sandstone rock strata
SLICKROCK SANDSTONE patterns. Paria/Vermilion Cliffs. Wilderness Area. Arizona. USA.
和深海岸 地層
Natural gas refinery
Coastal cliffs, Wales
Sea campion (Silene uniflora)
Shale, close-up
Red Shale
Fractured pegmatite intrusion
Oil Shale specimen
Shale
Vertically Inclined Sandstone Strata
Folded rock strata, Greece
岩手県 大唐の倉
Rock climber going up rock face. Smith Rock State Park. Central Oregon
A piece of black shale, close-up
知床海岸線
岩壁
Blackchurch Rock in Crackington Formation
Fossiliferous Limey Shale, New York, USA
石見銀山 釜屋間歩
ホルンフェルス断層の岩肌
ホルンフェルス断層
阿蘇山の火口
志原海岸
岩山
断崖
Wave-cut platform, Portencross, Scotland
Viaduct construction, Reunion island
Cross-bedding in sandstone rock
断崖を歩く人々/イレリ村
岸壁
Sea stack, Wales
岩脈と妙見燈台 遠見ガ鼻
Republic of Ireland,County Clare,The Burren
Shale, close up
Shale, California, USA
Sample of shale
セーラ・ペラーダ金鉱
Trail entrance into slot canyon. Valley of Fire State Park, Nevada
Retiolites fossil on shale
知床断崖
夏の知床
Flaring gas at oil refinery
ロッククライミング
Shale with fossilized ripple marks
United kingdom,great britain,england,dorset,the cliffs at west bay near bridport
白崎海岸の石灰岩
Fossil Starfish preserved in Shale
Rockfall nets on a cliff
Mudstone containing fossils, illustration
Large Boulders and Rock Formation, Close Up
Adjusting pipes at the oil shale retorting project
ヤマセミ 飛翔 巣に餌を運ぶ
館の岬
Slate outcrop, France
志原海岸 地層
鷹取山
懸空寺
笹川流れ 夕日に焼ける岩肌 国の名勝天然記念物
The American scene
Monument Valley buttes, USA
Moccasin Arch, Monument Valley, USA
Travel in Portugal
beauty on Xinjiang,China
Chalk cliffs, south-east England
白神山地/青岩
Mexico, Yucatan State, Tulum, Tulum ruins, ancient Mayan city on cliff overlooking Caribbean Sea
Thick-billed Murres, Brunnich's Guillemots, nesting on a steep cliff site, near Svalbard in Norway.
Folded Sandstone, Kythira, Greece.
Brain drain, conceptual image
Sedimentary rock
Colored Strata of Cliff
Rocky Cliff, Close Up
険しい崖に挟まれた海
知床湯の華の滝
Oil well in a fast food parking lot
鳥崎八景
七ツ釜
象の形をした岩
China, Sichuan Province, Mt. Emei
崖の上に立つ町
マーブルカテドラル
新潟県 断崖と海
オーバーハング
ロンダの村
United kingdom,great britain,england,dorset,beach huts on swanage beach
中国 紹興 東湖
Rock monolitth and clouds. Valley of Fire State Park, Nevada
Laos,Luang Prabang,Pak Ou Caves,Tham Ting Cave
崖沿いの愛の小道
妙義山石門
知床五湖の断崖
断崖とシーカヤック
フレペの滝の展望台より望むオホーツク海
ウミウのコロニー
知床岬とカヌー
青石海岸 雑賀崎
Greece, Cyclades, Santorini (Thera), building perched at cliff's edge
高千穂峡
石油タンク
断崖とフレペの滝
Glass bottle of coal to liquids biofuel
Natural oil seep, Ecuador
Folded rock strata
Jurassic rock strata
Sedimentary structures in sandstone
Oil pump
Steppe eagle landing
Greater spotted eagles
ガーデン・オブ・エデン
瀬林の漣痕