Yuen Long · Undated in the source
呢一頁係「元朗」呢條軸嘅原文未繫年，共 126 條條目（公元 undated 至 undated）。 逐條附第一官方來源、原書頁碼同「引用呢條」。
126 archive entries for the Undated in the source of this entity axis, each with its primary official source and archive page number.
條目點樣揀、有咩已知缺口、相關統計同口徑提示，一律喺軸頁交代；呢一頁只列原文條目本身，唔會新增或者改寫任何事實。 同一批條目亦可能出現喺其他軸（志錄一條條目可以同時提到幾個地方），各軸各自完整。
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Every entry is citable. Press “Cite this entry” for a Chinese footnote, Chinese bibliography, APA or Chicago note — all derived from the registered source and the generated archive, never hand-written. If a registered source has no publication year, the citation prints the access date and says so.
《香港志·自然》建置與地區概況（人口） Hong Kong Chronicles, Nature: Territory, Geography and Population
中文腳註香港地方志中心，《香港志·自然》建置與地區概況（人口）（查閱日期 2026-10-18），頁 〈頁碼〉，/chronicle/archive/undated/5#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Territory, Geography and Population (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/undated/5#〈條目編號〉
《香港志·自然》自然環境 Hong Kong Chronicles, Nature: Natural Environment
中文腳註香港地方志中心，《香港志·自然》自然環境（查閱日期 2026-10-18），頁 〈頁碼〉，/chronicle/archive/undated/7#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Natural Environment (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/undated/7#〈條目編號〉
《香港志·自然》環境保護與生態保育 Hong Kong Chronicles, Nature: Environmental Protection and Conservation
中文腳註香港地方志中心，《香港志·自然》環境保護與生態保育（查閱日期 2026-10-18），頁 〈頁碼〉，/chronicle/archive/undated/7#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Environmental Protection and Conservation (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/undated/7#〈條目編號〉
《香港志·自然》自然資源與生態 Hong Kong Chronicles, Nature: Natural Resources and Ecology
中文腳註香港地方志中心，《香港志·自然》自然資源與生態（查閱日期 2026-10-18），頁 〈頁碼〉，/chronicle/archive/undated/18#〈條目編號〉。
APAHong Kong Chronicles Institute. Hong Kong Chronicles, Nature: Natural Resources and Ecology (p. 〈頁碼〉). Accessed 2026-10-18. /chronicle/archive/undated/18#〈條目編號〉
《香港志·總述 大事記》（公元前 5000 年至 2017 年，共 6,500 多條大事） Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events)
中文腳註香港地方志中心，《香港志·總述 大事記》（公元前 5000 年至 2017 年，共 6,500 多條大事），2020，頁 〈頁碼〉，/chronicle/archive/undated/22#〈條目編號〉。
APAHong Kong Chronicles Institute (2020). Hong Kong Chronicles: Overview and Chronology (c. 5000 BC–2017, over 6,500 events) (p. 〈頁碼〉). /chronicle/archive/undated/22#〈條目編號〉
Substitute the entry’s page number and ID (shown as 〈頁碼〉／〈條目編號〉) into the pattern above. The same templates, plus rules and limits, are in the citation block of /api/v1/archive.json.
清初 · 元朗、上水
In the early Qing dynasty, periodic rural markets appeared; Yuen Long's Tai Kiu Tun Hui was later replaced by Yuen Long Hui (present-day Yuen Long Old Market), and Sheung Shui's Tin Kong Hui was later replaced by Shek Wu Hui.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.236
原文冇時間標籤 · 元朗平原
One of Hong Kong's agricultural core areas was the Yuen Long Plain, where rice cultivation was the focus and the Yuen Long silk rice produced was once exported to overseas markets.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
1840年代以前 · 元朗區
Before the 1840s, Yuen Long District had the most prosperous economy within Hong Kong.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
宋朝 · 元朗區
Many villages in Yuen Long District had academies, among which Lik Ying Academy was founded in the Song Dynasty.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
明代 · 元朗屏山
In the Ming Dynasty, the Tang Ancestral Hall in Ping Shan, the Man Ancestral Hall in San Tin and the Hau Ancestral Hall in Sheung Shui were successively completed and provided educational services.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.615
原文冇時間標籤 · 香港
The annual runoff to the sea from the Shing Mun River, Yuen Long and Sheung Shui catchments is 46 million, 79 million and 96 million cubic metres respectively.
來源 《香港志·自然》自然環境（香港地方志中心） · p.430
原文冇時間標籤 · 元朗區及北區
According to the Environmental Protection Department's monitoring results, faecal pollution problems still exist in some rivers and streams in Yuen Long District and North District.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.140
1960年代後期至1980年代 · 元朗、上水、粉嶺、打鼓嶺
From the late 1960s to the 1980s, Deep Bay received untreated pig waste discharged into nullahs from pig farms in Yuen Long, Sheung Shui, Fanling and Ta Kwu Ling.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.140
原文冇時間標籤 · 元朗區及北區
The water quality of Deep Bay is affected by multiple sources, including discharges from some villages and squatter areas in Yuen Long District and North District not connected to public sewers.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.140
原文冇時間標籤 · 香港
For the Shing Mun River, Lam Tsuen River, Yuen Long River, Mui Wo River and Tuen Mun River, the statutory water quality objectives applicable to their upstream and downstream sections may not be the same.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.389
原文冇時間標籤 · 元朗
The treatment of water in the drainage diversion channel is carried out naturally in constructed wetlands through crushed brick beds, oyster shell beds and reed beds.
來源 《香港志·自然》自然環境（香港地方志中心） · p.447
原文冇時間標籤 · 元朗大棠
Subsequently, the government replanted other tree species in the Tai Tong area, and the poor land conditions there improved greatly.
來源 《香港志·自然》自然環境（香港地方志中心） · p.438
1980年代 · 新界西北部
Northwest New Territories covers the Yuen Long River, Kam Tin River, Ng Tung River and Sheung Yue River, and among all districts in Hong Kong this area's rivers are the most severely polluted.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.388
原文冇時間標籤 · 大埔與元朗交界
Tai To Yan is located at the boundary between Tai Po and Yuen Long, at an elevation of 566 metres, and lies within Lam Tsuen Country Park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.651
原文冇時間標籤 · 新界西北部
The Tai Lam Granite body is oval in shape and distributed across the northwestern New Territories, extending north to Yuen Long, east to Tsuen Wan, south to Lantau Island, and west to Castle Peak.
來源 《香港志·自然》自然環境（香港地方志中心） · p.148
原文冇時間標籤 · 大嶼山梅窩、西貢大水坑、元朗大棠
Small-scale badlands occur at Mui Wo on Lantau Island, Tai Shui Hang in Sai Kung, and Tai Tong in Yuen Long, with bare land concentrated on ridges and soil erosion mainly by raindrop impact, sheet flow, and rill erosion.
來源 《香港志·自然》自然環境（香港地方志中心） · p.442
原文冇時間標籤 · 元朗
Kung Um Shan is located in Yuen Long, has an elevation of 298 metres, and is not within a country park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.655
原文冇時間標籤 · 元朗
Kwun Yam Shan is located in Yuen Long, 546 m above sea level, and is within Tai Mo Shan Country Park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.651
原文冇時間標籤 · 元朗
Kai Kung Leng is located in Yuen Long, with an elevation of 585 metres, and belongs to Lam Tsuen Country Park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.650
原文冇時間標籤 · 錦田
The Kam Tin River is located in the Kam Tin area east of Yuen Long, with a catchment area of about 44.3 km² and a total channel length of about 13 km.
來源 《香港志·自然》自然環境（香港地方志中心） · p.447
原文冇時間標籤 · 新界西北
In Hong Kong, the metamorphic rocks produced by regional metamorphism are concentrated in the northwest New Territories, Yuen Long, Lok Ma Chau and Tuen Mun.
來源 《香港志·自然》自然環境（香港地方志中心） · p.175
原文冇時間標籤 · 元朗
The Lam Tei Fold, Tin Shui Wai Fold, Sha Ha Tsuen Fold and Yuen Long Fold were all formed by thrust faulting.
來源 《香港志·自然》自然環境（香港地方志中心） · p.197
原文冇時間標籤 · 香港
Lam Tsuen Country Park covers Tai Po District, North District and Yuen Long District, and includes the three peaks of Kai Kung Leng, Tai To Yan and Pak Tai To Yan.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.104
原文冇時間標籤 · 元朗與北區交界
Ngau Tam Shan is located at the boundary between Yuen Long and the North District, at an elevation of 334 metres, and is not within any country park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.654
原文冇時間標籤 · 元朗
Kai Keng Shan is located in Yuen Long, at 223 metres above sea level, and is not within any country park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.656
原文冇時間標籤 · 元朗
The thick marble sequence of Carboniferous age constitutes the Yuen Long Formation, while slate, phyllite and schist constitute the Lok Ma Chau Formation.
來源 《香港志·自然》自然環境（香港地方志中心） · p.176
原文冇時間標籤 · 元朗
The Tuen Mun Formation metavolcanic rocks in the Yuen Long area of the northwest New Territories have a weathering layer about 199 metres thick.
來源 《香港志·自然》自然環境（香港地方志中心） · p.217
原文冇時間標籤 · 香港
Hong Kong's karst cave areas are mainly distributed around Yuen Long to Tin Shui Wai, the coastal area of Ma On Shan, and the Tung Chung area in the north of Lantau Island.
來源 《香港志·自然》自然環境（香港地方志中心） · p.233
原文冇時間標籤 · 香港
The distribution sites of stratigraphic fossils within Hong Kong include Plover Cove Reservoir and Pak Sha Tau Chau, as well as Fung Wong Wat and Pak Kok Shan, and also Ma Shi Chau and A Chau; discoveries were also made at Nam Hang Pai in Yuen Long, and Sam Chung, Lai Chi Chong, Nai Chung, Ma On Shan, Cheung Sheung and Tung Ping Chau are likewise on the list.
來源 《香港志·自然》自然環境（香港地方志中心） · p.124
原文冇時間標籤 · 新界北部
The northern New Territories has three important lowland plains, namely the Yuen Long Plain, the Fanling Plain and the Tai Po Plain.
來源 《香港志·自然》自然環境（香港地方志中心） · p.49
英國租借新界後 · 北區,元朗區
After the New Territories were leased to Britain, the boundary between Hong Kong and the mainland was formed by the northern borders of the North District and Yuen Long District.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.129
原文冇時間標籤 · 大棠
Strata belonging to the Chek Mun Formation were discovered at Tai Tong, south of Yuen Long in northwestern New Territories.
來源 《香港志·自然》自然環境（香港地方志中心） · p.97
原文冇時間標籤 · 新界西北部
The San Tin ductile shear zone is located in the northwestern New Territories, extending from Tai Tong in Yuen Long to Lo Shue Ling.
來源 《香港志·自然》自然環境（香港地方志中心） · p.195
原文冇時間標籤 · 香港
The Yuen Long and Fanling plains form Hong Kong's most extensive low-lying area, surrounded by Tai Lam Chung, Kai Kung Leng and Tai To Yan.
來源 《香港志·自然》自然環境（香港地方志中心） · p.38
原文冇時間標籤 · 元朗
The Yuen Long catchment consists of the Kam Tin River, Shan Pui River, Tin Shui Wai nullah and Fairview Park nullah, with an area of about 140 square kilometres and an average slope of 0.09.
來源 《香港志·自然》自然環境（香港地方志中心） · p.447
原文冇時間標籤 · 元朗
The Yuen Long Plain was formed by sediments deposited by the lower courses of the Shan Pui River and the Kam Tin River.
來源 《香港志·自然》自然環境（香港地方志中心） · p.49
原文冇時間標籤 · 元朗
The Yuen Long Plain is the largest plain in Hong Kong, with a total area of 144.3 square kilometres.
來源 《香港志·自然》自然環境（香港地方志中心） · p.49
原文冇時間標籤 · 元朗區
Yuen Long District covers about 138.48 square kilometres with a population of about 630,000.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
原文冇時間標籤 · 元朗區
The highest peak in Yuen Long District is at Kai Kung Leng, with an elevation of 585 metres.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
原文冇時間標籤 · 元朗南生圍
Northeast of Yuen Long New Town is Nam Sang Wai, bordered on its east by the Kam Tin River and on its west by the Shan Pui River.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.551
原文冇時間標籤 · 元朗
The marble around Yuen Long ranges in colour from dark grey to white, is fine- to medium-grained, and contains a small amount of chert.
來源 《香港志·自然》自然環境（香港地方志中心） · p.176
原文冇時間標籤 · 元朗
Yuen Tau Shan is located in Yuen Long, with an elevation of 375 metres, and is not within a country park.
來源 《香港志·自然》自然環境（香港地方志中心） · p.653
原文冇時間標籤 · 新界
In northern New Territories, the plain extending from Fanling to Yuen Long is the main area of the Fanling Formation alluvium, with a maximum thickness of up to 10 metres.
來源 《香港志·自然》自然環境（香港地方志中心） · p.120
原文冇時間標籤 · 新界北區
In Tai Po, Fanling, and Yuen Long in the North District of the New Territories, relatively extensive alluvial plains are distributed, and river deposition has created quite deep alluvial layers.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.169
原文冇時間標籤 · 元朗區
Yuen Long District has three Area Committees, covering Yuen Long Town, Tin Shui Wai South and Tin Shui Wai North.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
原文冇時間標籤 · 香港
Old wells are still preserved in many villages in Hong Kong, including Tai Yuen Village in Sheung Shui, Wong Uk Village in Yuen Long, the Seven Yeuk at On Fu Road in Tai Po, and Yim Tin Tsai in Sai Kung.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.58
原文冇時間標籤 · 元朗屏山輞井圍
In the archaeological excavation at Mong Tseng Wai, Ping Shan, Yuen Long, architectural remains were found, including fill layers of house foundations, post holes, underground drainage pipes, open-air pools, brick-paved floors, and bricks and tiles.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.707
抗戰時期 · 元朗十八鄉楊家村
The Yuen Long Squadron of the Hong Kong and Kowloon Independent Brigade also used Shik Lou as a base of operations.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
原文冇時間標籤 · 元朗十八鄉楊家村
The Yuen Long Squadron of the Hong Kong and Kowloon Independent Brigade also used Shik Lo as an activity base.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.154
清初 · 香港
The boundary evacuation covered 50 li of coastline on Hong Kong Island, Kowloon and the outlying islands, with Yuen Long San Tin and Sha Tau Kok as the starting points of the northwestern and northeastern boundaries respectively.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
抗戰時期 · 元朗十八鄉楊家村
Shik Lo is located in Yeung Ka Tsuen, Shap Pat Heung, Yuen Long, and served as a transit station for the 'secret great rescue' during the War of Resistance.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
清代 · 元朗
Entering the Qing dynasty, due to the coastal evacuation and the lifting of the boundary, the salt industry gradually declined, and at that time salt fields were concentrated along the coastal area from Shan Pui River to Deep Bay.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.164
新石器時代晚期 · 香港
So Kwun Wat in Tuen Mun, Kam Tin in Yuen Long, Lam Tsuen in Tai Po, Ho Chung in Sai Kung and the southern shore of Deep Bay were all areas inhabited by late Neolithic peoples.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.231
原文冇時間標籤 · 元朗區
When the British took over the New Territories, villages in Yuen Long District and Tai Po District joined forces to resist the British with armed force, but ultimately failed.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
南宋末年 · 廣西鬱林, 元朗新田, 屯門
In the late Southern Song period, To Man-chat moved from Yulin in Guangxi to present-day San Tin in Yuen Long, and later moved with his son To Chue-si to live in Tuen Mun.
來源 《香港志·總述 大事記》（公元前 5000 年至 2017 年，共 6,500 多條大事）（香港地方志中心） · p.48
宋代 · 元朗區
Major villages in Yuen Long District such as Kam Tin, Ping Shan, Ha Tsuen and San Tin were established by the Tang and Man clans from the Song dynasty onwards.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
宋朝 · 元朗區
As far back as the Song dynasty, the Tang clan had already moved to the Yuen Long area.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.153
原文冇時間標籤 · 新界
The New Territories has 3 resettlement areas, located in Kwai Chung, Tseung Kwan O, and Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.297
原文冇時間標籤 · 新界
Markets had already appeared in rural areas, including Yuen Long Tai Kiu Tun Market, Sheung Shui Tin Kong Market, Tai Po Tau Market and Cheung Chau Market.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.237
原文冇時間標籤 · 元朗
Yuen Long Tai Kiu Tun Market later moved to Yuen Long Market, which is today's Yuen Long Old Market.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.237
清康熙年間 · 元朗
Yuen Long Market was established by the Tang Clan of Kam Tin and already had nearly a hundred shops during the Kangxi reign of the Qing Dynasty.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.529
清代 · 新界
In the Qing Dynasty, the operators of major markets in the New Territories were mostly local clans, and Yuen Long Market was founded by the Tang Clan of Kam Tin.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.529
早石炭紀 · 元朗
In addition to the above, rock types such as dolomite, siltstone, graphite and chert are also found there.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
The irregular relief of the marble bedrock and the karst caves have brought major engineering problems to the development of the area.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The contact surface between weathered soil and marble is uneven, with many steep cliffs.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The landform contains a karst zone about 30 metres thick, within which karst development is extremely irregular.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 馬鞍山
Based on lithology, the Ma On Shan Formation and the Yuen Long Formation are estimated to be contemporaneous.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
石炭紀 · 元朗
Engineering boreholes commonly find rocks of the Mai Po Member overlying the marble of the Yuen Long Formation.
來源 《香港志·自然》自然環境（香港地方志中心） · p.95
泥盆紀至侏羅紀 · 香港
The Wong Chuk Kok Tsui Formation is Devonian, the Yuen Long Formation is Carboniferous, the Lok Ma Chau Formation is Carboniferous, the Tai Po Hoi Formation is Permian, and the Chek Mun and Tai O Formations are Jurassic; all these strata were formed before the Yanshanian period.
來源 《香港志·自然》自然環境（香港地方志中心） · p.190
早石炭紀 · 元朗
As for the Ma Tin section, its degree of metamorphism is generally regarded as comprising both thermal and regional metamorphic elements.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
It is estimated that the total thickness of the Yuen Long Formation as a whole exceeds 600 metres.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
The rocks of the Long Ping section consist mainly of grey to dark grey, fine-textured, medium-grained crystalline marble with a little chert.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
The rocks of the Long Ping Member display very prominent stylolitic structures.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
原文冇時間標籤 · 元朗濕地公園
Bald cypress has been planted at the Yuen Long Wetland Park, Tsing Yi Park, North District Park, and Lau Shui Heung Reservoir, often in rows.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.485
原文冇時間標籤 · 馬鞍山、元朗
In marble areas such as Ma On Shan and Yuen Long, groundwater is slightly acidic and can dissolve the rock to form caves.
來源 《香港志·自然》自然環境（香港地方志中心） · p.218
早石炭紀 · 元朗
The marble of the Ma Tin Member contains more than 99% calcium carbonate.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
Other minerals contained in the Ma Tin member are dolomite, tremolite, epidote, and wollastonite.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The rocks of the Ma Tin Member have been completely crystallised, and the sedimentary structures and fossils of the original limestone have not been preserved.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The Ma Tin member consists mainly of medium- to coarse-grained crystalline marble, characterised by thick, pure beds ranging in colour from white to greyish white.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
石炭紀 · 元朗
No surface outcrop of the Mai Po strata is seen in the Yuen Long area.
來源 《香港志·自然》自然環境（香港地方志中心） · p.95
原文冇時間標籤 · 南生圍
Nam Sang Wai wetland is located in Yuen Long, east of Wang Chau, north of Shan Pui Tsuen and northwest of Tin Fook Wai, and is surrounded by the Kam Tin River and the Shan Pui River.
來源 《香港志·自然》自然環境（香港地方志中心） · p.51
更新世至全新世 · 元朗山下村
The sediments of the Shan Ha Tsuen section overlie Pleistocene alluvium and are capped by the Holocene debris flow deposits of the Fanling Formation.
來源 《香港志·自然》自然環境（香港地方志中心） · p.115
原文冇時間標籤 · 元朗山下村
The Shan Ha Tsuen Member strata are mainly exposed at Shan Ha Tsuen southwest of Yuen Long.
來源 《香港志·自然》自然環境（香港地方志中心） · p.115
原文冇時間標籤 · 元朗山下村
The sedimentary layer of the Shan Ha Tsuen section has a thickness between 3 metres and 15 metres.
來源 《香港志·自然》自然環境（香港地方志中心） · p.115
原文冇時間標籤 · 元朗山下村
The upper section of the Shan Ha Tsuen stretch contains coarser colluvial deposits.
來源 《香港志·自然》自然環境（香港地方志中心） · p.115
原文冇時間標籤 · 元朗區米埔
The World Wide Fund for Nature Hong Kong is responsible for the management of the Mai Po Marshes Nature Reserve.
來源 《香港志·自然》環境保護與生態保育（香港地方志中心） · p.123
早石炭紀 · 元朗
It is inferred that the rock was originally composed of alternating thin layers of limestone and siltstone, and was later transformed into marble by regional metamorphism.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
原文冇時間標籤 · 香港
Hong Kong has 33 rivers and streams of important ecological value, distributed in Kam Tin in Yuen Long, Sai Kung, Tai Po, Lantau, northern New Territories, northeastern New Territories, Sha Tin and the Southern District.
來源 《香港志·自然》自然環境（香港地方志中心） · p.48
石炭紀 · 元朗
Hong Kong's most important biogenic sedimentary rock is the marble of the Carboniferous Yuen Long Formation, which was originally thick-bedded limestone.
來源 《香港志·自然》自然環境（香港地方志中心） · p.172
石炭紀 · 香港
The Tin Shui Wai Group can be divided into three parts: the Lok Ma Chau Formation at the top, and the Yuen Long Formation and Ma On Shan Formation at the bottom.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
As no fossils have been found, the age of the marble cannot be determined palaeontologically.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
石炭紀 · 元朗
Within this area, the metamorphic sandstone of the Mai Po Member forms low hills.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 馬鞍山
Similar to the Yuen Long Formation, the Ma On Shan Formation likewise poses significant engineering challenges to urban development.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The Yuen Long Formation is composed mainly of marble, light grey to white in colour, with fine to medium grain size.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The Yuen Long Formation is distributed in the northwestern part of Hong Kong, consists mainly of marble, and is almost exclusively found deep underground.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
石炭紀 · 香港
The contact surface between the Yuen Long Formation and the Lok Ma Chau Formation is irregular.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
The Yuen Long Formation is cut by a northwest-trending fault zone.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
The Yuen Long Formation is divided from bottom to top into the Long Ping Member and the Ma Tin Member.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
早石炭紀 · 元朗
The Yuen Long Formation in northwestern Yuen Long and the Tin Shui Wai area is generally buried between 30 and 55 metres below ground.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
石炭紀 · 元朗
Above the Yuen Long Formation, metamorphic sandstone and siltstone of the Mai Po Member (belonging to the Lok Ma Chau Formation) are commonly seen overlying it.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
原文冇時間標籤 · 元朗山下村
In the foothill area of the Shan Ha Tsuen section, the sediments are mainly yellowish-brown gravelly silt, mixed with dark grey silty clay layers rich in organic matter.
來源 《香港志·自然》自然環境（香港地方志中心） · p.115
早石炭紀 · 元朗
In southeastern Yuen Long, a typical karst landform was found in a marble layer between 18 and 43 metres in depth.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
原文冇時間標籤 · 元朗
In the fish ponds and paddy fields near Yuen Long and San Tin, chicken manure was used to cultivate bloodworms on a large scale.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.392
早石炭紀 · 元朗
The upper part of the Yuen Long Formation is covered by a layer of weathered soil between 18 and 40 metres thick.
來源 《香港志·自然》自然環境（香港地方志中心） · p.94
早石炭紀 · 元朗
Similar carbonate rocks are widely exposed in southern China, on which basis the Yuen Long Formation is inferred to be an Early Carboniferous deposit.
來源 《香港志·自然》自然環境（香港地方志中心） · p.93
原文冇時間標籤 · 新界
According to the Hong Kong Yearbook, the Punti in the New Territories were concentrated in the western and northwestern plains such as Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.295
北宋初年 · 元朗錦田
In the early Northern Song Dynasty, the Tang clan, originally from Jiangxi, moved to Kam Tin in Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.376
北宋 · 元朗
During the Northern Song dynasty, immigrants from the Central Plains who came to Hong Kong mostly settled in Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.233
明朝初年 · 元朗廈村、輞井
In the early Ming dynasty, descendants of the Tang clan branched out to Ha Tsuen and Mong Tseng in Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
明朝末年 · 元朗官涌
Descendants of the Tang clan branched out and migrated to Kwun Chung in Yuen Long in the late Ming dynasty.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
元朝初年 · 元朗屏山
The descendants of the Tang clan branched out to Ping Shan in Yuen Long in the early Yuan dynasty.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
原文冇時間標籤 · 新界
One branch of the Tang clan originally lived in Kam Tin and later branched out to Tai Po Tau in Tai Po, Loi Tung in Sha Tau Kok, Lung Yeuk Tau in Fanling, Tsz Tin Tsuen in Tuen Mun, and Ha Tsuen in Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.376
北宋開寶六年（973） · 元朗錦田
The Tang clan, originally from Jiangxi, first moved to Sham Tin in Yuen Long, present-day Kam Tin, in the sixth year of the Kaibao reign of the Northern Song (973).
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
遷海復界後 · 元朗、錦田、上水、粉嶺
After the repeal of the boundary evacuation, many former residents returned to their old places, mainly settling in the fertile river valley plains of Yuen Long, Sheung Shui, Kam Tin and Fanling.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.236
遷海復界後 · 新界、九龍
After the lifting of the ban, Hakka people mostly migrated to remote and barren lands for cultivation, distributed in Sha Tin, Sai Kung, Tai Po, Yuen Long, Sha Tau Kok, and in Kowloon areas such as Tsuen Wan, Cha Kwo Ling, Lei Yue Mun, and Kowloon City.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.236
原文冇時間標籤 · 新界
According to the Hong Kong Yearbook, the Punti in the New Territories were concentrated in the western and north-western plains such as Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.294
宋代（960—1279） · 香港
Song dynasty archaeological sites are distributed across urban Kowloon, Sai Kung, Sha Tin, Tai Po, the North District, Tsuen Wan, Tuen Mun, Yuen Long, Kat O, Lantau and other places.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.233
魏晉南北朝時期（220—589） · 香港
During the Wei, Jin, Southern and Northern Dynasties period, Jin dynasty relics were excavated at both Mong Kok and Lantau Island; as for Six Dynasties artefacts, they are found at Lamma Island, Sai Kung, Yuen Long and Lantau Island.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.232
原文冇時間標籤 · 元朗屏山
One branch of the Man descendants later moved to Ping Shan in Yuen Long.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.377
清代 · 元朗輞井
Tang Juexiang of Mong Tseng in Yuen Long is recorded to have lived to the age of 99.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.608
原文冇時間標籤 · 新界
Between 1981 and 2016, the population growth in district council areas such as Sha Tin, Yuen Long, Sai Kung and Tuen Mun was relatively prominent.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.258
原文冇時間標籤 · 新界
Within the New Territories, the plains and river valleys of Yuen Long, Kam Tin, Sheung Shui and Fanling have always been areas where local people concentrated.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.294
原文冇時間標籤 · 新界
From 1981 to 2016, the population proportions of the North, Tai Po, Yuen Long, Tuen Mun, Sai Kung, Sha Tin and Islands districts within the New Territories all rose.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.258
宋元時期 · 錦田、元朗廈村、龍躍頭、大埔大埔頭村
The clans that migrated to settle in Hong Kong between the Song and Yuan dynasties later mostly branched out, for example one branch of the Tang clan of Kam Tin moved to Ha Tsuen in Yuen Long, while a branch of the Tang clan of Lung Yeuk Tau moved to Tai Po Tau Village in Tai Po.
來源 《香港志·自然》建置與地區概況（人口）（香港地方志中心） · p.234
東晉末年 · 屯門、元朗廈村
Tuen Mun's Castle Peak Monastery and Yuen Long's Ha Tsuen Ling To Temple were both first built in the late Eastern Jin dynasty.
來源 《香港志·總述 大事記》（公元前 5000 年至 2017 年，共 6,500 多條大事）（香港地方志中心） · p.79
2000年後 · 薄扶林及元朗區
After 2000, the salt water flushing network was further extended to Pok Fu Lam and the Yuen Long district.
來源 《香港志·自然》自然資源與生態（香港地方志中心） · p.62
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